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1122232230 = 232571781321
BaseRepresentation
bin100001011100011…
…1110011110100110
32220012200022012200
41002320332132212
54244242412410
6303205155330
736544550040
oct10270763646
92805608180
101122232230
1152651a759
122739bbb46
1314b666152
14a9088a90
15687c83c0
hex42e3e7a6

1122232230 has 48 divisors (see below), whose sum is σ = 3334634784. Its totient is φ = 256510080.

The previous prime is 1122232219. The next prime is 1122232231. The reversal of 1122232230 is 322322211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122232231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 890031 + ... + 891290.

It is an arithmetic number, because the mean of its divisors is an integer number (69471558).

Almost surely, 21122232230 is an apocalyptic number.

1122232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122232230 is an abundant number, since it is smaller than the sum of its proper divisors (2212402554).

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

1122232230 is a wasteful number, since it uses less digits than its factorization.

1122232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781341 (or 1781338 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1122232230 is about 33499.7347750695. The cubic root of 1122232230 is about 1039.1882935369.

Adding to 1122232230 its reverse (322322211), we get a palindrome (1444554441).

The spelling of 1122232230 in words is "one billion, one hundred twenty-two million, two hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 1781321 3562642 5343963 8906605 10687926 12469247 16031889 17813210 24938494 26719815 32063778 37407741 53439630 62346235 74815482 80159445 112223223 124692470 160318890 187038705 224446446 374077410 561116115 1122232230