11222661252 has 48 divisors (see below), whose sum is σ = 28577590272. Its totient is φ = 3399518880.

The previous prime is 11222661217. The next prime is 11222661293. The reversal of 11222661252 is 25216622211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368553 + ... + 397839.

It is an arithmetic number, because the mean of its divisors is an integer number (595366464).

Almost surely, 2^11222661252 is an apocalyptic number.

11222661252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222661252 is an abundant number, since it is smaller than the sum of its proper divisors (17354929020).

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

11222661252 is a wasteful number, since it uses less digits than its factorization.

11222661252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32208 (or 32206 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The spelling of 11222661252 in words is "eleven billion, two hundred twenty-two million, six hundred sixty-one thousand, two hundred fifty-two".