22117233072 has 160 divisors (see below), whose sum is σ = 64431661824. Its totient is φ = 6478617600.

The previous prime is 22117233049. The next prime is 22117233097. The reversal of 22117233072 is 27033271122.

It is a super-2 number, since 2×22117233072² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3063547 + ... + 3070757.

Almost surely, 2^22117233072 is an apocalyptic number.

22117233072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22117233072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32215830912).

22117233072 is an abundant number, since it is smaller than the sum of its proper divisors (42314428752).

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

22117233072 is a wasteful number, since it uses less digits than its factorization.

22117233072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427 (or 7421 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 22117233072 in words is "twenty-two billion, one hundred seventeen million, two hundred thirty-three thousand, seventy-two".