Search a number
-
+
11110222220 = 2252324152657
BaseRepresentation
bin10100101100011100…
…01000100110001100
31001200021211202200212
422112032020212030
5140223204102340
65034242341552
7542215221266
oct122616104614
931607752625
1011110222220
114791481439
1221a095a8b8
131080a09bb6
147757a2b36
154505b2a65
hex29638898c

11110222220 has 24 divisors (see below), whose sum is σ = 24345879264. Its totient is φ = 4250867456.

The previous prime is 11110222169. The next prime is 11110222231. The reversal of 11110222220 is 2222201111.

It is a junction number, because it is equal to n+sod(n) for n = 11110222195 and 11110222204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12075869 + ... + 12076788.

It is an arithmetic number, because the mean of its divisors is an integer number (1014411636).

Almost surely, 211110222220 is an apocalyptic number.

11110222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110222220 is an abundant number, since it is smaller than the sum of its proper divisors (13235657044).

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

11110222220 is a wasteful number, since it uses less digits than its factorization.

11110222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24152689 (or 24152687 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11110222220 its reverse (2222201111), we get a palindrome (13332423331).

The spelling of 11110222220 in words is "eleven billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 24152657 48305314 96610628 120763285 241526570 483053140 555511111 1111022222 2222044444 2777555555 5555111110 11110222220