22144475118 has 64 divisors (see below), whose sum is σ = 47037399552. Its totient is φ = 6935448960.

The previous prime is 22144475113. The next prime is 22144475131. The reversal of 22144475118 is 81157444122.

It is a super-2 number, since 2×22144475118² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144475113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3445548 + ... + 3451968.

It is an arithmetic number, because the mean of its divisors is an integer number (734959368).

Almost surely, 2^22144475118 is an apocalyptic number.

22144475118 is an abundant number, since it is smaller than the sum of its proper divisors (24892924434).

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

22144475118 is a wasteful number, since it uses less digits than its factorization.

22144475118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889.

The product of its digits is 71680, while the sum is 39.

The spelling of 22144475118 in words is "twenty-two billion, one hundred forty-four million, four hundred seventy-five thousand, one hundred eighteen".