22161611130 has 32 divisors (see below), whose sum is σ = 55500384384. Its totient is φ = 5652816576.

The previous prime is 22161611083. The next prime is 22161611137. The reversal of 22161611130 is 3111616122.

It is a happy number.

It is a super-2 number, since 2×22161611130² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22161611130.

It is not an unprimeable number, because it can be changed into a prime (22161611137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16058449 + ... + 16059828.

It is an arithmetic number, because the mean of its divisors is an integer number (1734387012).

Almost surely, 2^22161611130 is an apocalyptic number.

22161611130 is an abundant number, since it is smaller than the sum of its proper divisors (33338773254).

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

22161611130 is a wasteful number, since it uses less digits than its factorization.

22161611130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32118310.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 22161611130 in words is "twenty-two billion, one hundred sixty-one million, six hundred eleven thousand, one hundred thirty".