22165531104 has 96 divisors (see below), whose sum is σ = 59870682144. Its totient is φ = 7177164800.

The previous prime is 22165531057. The next prime is 22165531117. The reversal of 22165531104 is 40113556122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 492322 + ... + 535454.

It is an arithmetic number, because the mean of its divisors is an integer number (623652939).

Almost surely, 2^22165531104 is an apocalyptic number.

22165531104 is a gapful number since it is divisible by the number (24) 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 22165531104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29935341072).

22165531104 is an abundant number, since it is smaller than the sum of its proper divisors (37705151040).

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

22165531104 is a wasteful number, since it uses less digits than its factorization.

22165531104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43300 (or 43292 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 22165531104 in words is "twenty-two billion, one hundred sixty-five million, five hundred thirty-one thousand, one hundred four".