22165255162 has 4 divisors (see below), whose sum is σ = 33247882746. Its totient is φ = 11082627580.

The previous prime is 22165255157. The next prime is 22165255219. The reversal of 22165255162 is 26155256122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17350421841 + 4814833321 = 131721^2 + 69389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5541313789 + ... + 5541313792.

Almost surely, 2^22165255162 is an apocalyptic number.

22165255162 is a deficient number, since it is larger than the sum of its proper divisors (11082627584).

22165255162 is a wasteful number, since it uses less digits than its factorization.

22165255162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082627583.

The product of its digits is 72000, while the sum is 37.

The spelling of 22165255162 in words is "twenty-two billion, one hundred sixty-five million, two hundred fifty-five thousand, one hundred sixty-two".