22162170664528 has 40 divisors (see below), whose sum is σ = 43214177238408. Its totient is φ = 11010129741312.

The previous prime is 22162170664463. The next prime is 22162170664549. The reversal of 22162170664528 is 82546607126122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 571911037504 + 21590259627024 = 756248^2 + 4646532^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82593750 + ... + 82861642.

Almost surely, 2^{22162170664528} is an apocalyptic number.

It is an amenable number.

22162170664528 is a deficient number, since it is larger than the sum of its proper divisors (21052006573880).

22162170664528 is a wasteful number, since it uses less digits than its factorization.

22162170664528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300991 (or 300985 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 22162170664528 in words is "twenty-two trillion, one hundred sixty-two billion, one hundred seventy million, six hundred sixty-four thousand, five hundred twenty-eight".