22162065 has 16 divisors (see below), whose sum is σ = 35537856. Its totient is φ = 11793600.

The previous prime is 22162043. The next prime is 22162073. The reversal of 22162065 is 56026122.

It is not a de Polignac number, because 22162065 - 2¹⁵ = 22129297 is a prime.

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, 6750 + ... + 9480.

It is an arithmetic number, because the mean of its divisors is an integer number (2221116).

Almost surely, 2^22162065 is an apocalyptic number.

It is an amenable number.

22162065 is a deficient number, since it is larger than the sum of its proper divisors (13375791).

22162065 is a wasteful number, since it uses less digits than its factorization.

22162065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22162065 is about 4707.6602468742. The cubic root of 22162065 is about 280.8902996691.

Adding to 22162065 its reverse (56026122), we get a palindrome (78188187).

The spelling of 22162065 in words is "twenty-two million, one hundred sixty-two thousand, sixty-five".