22165441225776 has 120 divisors (see below), whose sum is σ = 62292694815936. Its totient is φ = 7357517976960.

The previous prime is 22165441225721. The next prime is 22165441225777. The reversal of 22165441225776 is 67752214456122.

22165441225776 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 5 + 4 + 41 + 22 + 577 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (22165441225777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61886731 + ... + 62243861.

Almost surely, 2^{22165441225776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22165441225776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31146347407968).

22165441225776 is an abundant number, since it is smaller than the sum of its proper divisors (40127253590160).

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

22165441225776 is a wasteful number, since it uses less digits than its factorization.

22165441225776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358951 (or 358942 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 22165441225776 in words is "twenty-two trillion, one hundred sixty-five billion, four hundred forty-one million, two hundred twenty-five thousand, seven hundred seventy-six".