22080521178 has 48 divisors (see below), whose sum is σ = 49506486120. Its totient is φ = 7104125952.

The previous prime is 22080521173. The next prime is 22080521227. The reversal of 22080521178 is 87112508022.

It can be written as a sum of positive squares in 4 ways, for example, as 15313320009 + 6767201169 = 123747^2 + 82263^2 .

It is not an unprimeable number, because it can be changed into a prime (22080521173) 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, 2664850 + ... + 2673122.

Almost surely, 2^22080521178 is an apocalyptic number.

22080521178 is an abundant number, since it is smaller than the sum of its proper divisors (27425964942).

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

22080521178 is a wasteful number, since it uses less digits than its factorization.

22080521178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13423 (or 13420 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 22080521178 in words is "twenty-two billion, eighty million, five hundred twenty-one thousand, one hundred seventy-eight".