22064156604 has 144 divisors (see below), whose sum is σ = 65493792000. Its totient is φ = 6132907008.

The previous prime is 22064156567. The next prime is 22064156651. The reversal of 22064156604 is 40665146022.

22064156604 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 41 + 5 + 6 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1434547 + ... + 1449845.

It is an arithmetic number, because the mean of its divisors is an integer number (454818000).

Almost surely, 2^22064156604 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 22064156604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32746896000).

22064156604 is an abundant number, since it is smaller than the sum of its proper divisors (43429635396).

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

22064156604 is a wasteful number, since it uses less digits than its factorization.

22064156604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15472 (or 15467 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 22064156604 in words is "twenty-two billion, sixty-four million, one hundred fifty-six thousand, six hundred four".