22095257655760 has 80 divisors (see below), whose sum is σ = 53056851287040. Its totient is φ = 8548449269760.

The previous prime is 22095257655721. The next prime is 22095257655761. The reversal of 22095257655760 is 6755675259022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22095257655760² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22095257655761) 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, 2289144 + ... + 7030696.

It is an arithmetic number, because the mean of its divisors is an integer number (663210641088).

Almost surely, 2^{22095257655760} is an apocalyptic number.

22095257655760 is a gapful number since it is divisible by the number (20) 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 22095257655760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26528425643520).

22095257655760 is an abundant number, since it is smaller than the sum of its proper divisors (30961593631280).

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

22095257655760 is a wasteful number, since it uses less digits than its factorization.

22095257655760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743476 (or 4743470 counting only the distinct ones).

The product of its (nonzero) digits is 79380000, while the sum is 61.

The spelling of 22095257655760 in words is "twenty-two trillion, ninety-five billion, two hundred fifty-seven million, six hundred fifty-five thousand, seven hundred sixty".