22163120574 has 32 divisors (see below), whose sum is σ = 52861109760. Its totient is φ = 6057001632.

The previous prime is 22163120557. The next prime is 22163120641. The reversal of 22163120574 is 47502136122.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11470629 + ... + 11472560.

It is an arithmetic number, because the mean of its divisors is an integer number (1651909680).

Almost surely, 2^22163120574 is an apocalyptic number.

22163120574 is an abundant number, since it is smaller than the sum of its proper divisors (30697989186).

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

22163120574 is a wasteful number, since it uses less digits than its factorization.

22163120574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22943224.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 22163120574 its reverse (47502136122), we get a palindrome (69665256696).

The spelling of 22163120574 in words is "twenty-two billion, one hundred sixty-three million, one hundred twenty thousand, five hundred seventy-four".