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11110222230 = 2354127133331
BaseRepresentation
bin10100101100011100…
…01000100110010110
31001200021211202201020
422112032020212112
5140223204102410
65034242342010
7542215221312
oct122616104626
931607752636
1011110222230
114791481448
1221a095a906
131080a09bc3
147757a2b42
154505b2a70
hex296388996

11110222230 has 64 divisors (see below), whose sum is σ = 27416503296. Its totient is φ = 2879712000.

The previous prime is 11110222169. The next prime is 11110222231. The reversal of 11110222230 is 3222201111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110222231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316665 + ... + 349995.

It is an arithmetic number, because the mean of its divisors is an integer number (428382864).

Almost surely, 211110222230 is an apocalyptic number.

11110222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110222230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13708251648).

11110222230 is an abundant number, since it is smaller than the sum of its proper divisors (16306281066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11110222230 is a wasteful number, since it uses less digits than its factorization.

11110222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33653.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11110222230 its reverse (3222201111), we get a palindrome (14332423341).

The spelling of 11110222230 in words is "eleven billion, one hundred ten million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 271 410 542 615 813 1230 1355 1626 2710 4065 8130 11111 22222 33331 33333 55555 66662 66666 99993 111110 166655 166665 199986 333310 333330 499965 999930 1366571 2733142 4099713 6832855 8199426 9032701 13665710 18065402 20498565 27098103 40997130 45163505 54196206 90327010 135490515 270981030 370340741 740681482 1111022223 1851703705 2222044446 3703407410 5555111115 11110222230