22338865 has 16 divisors (see below), whose sum is σ = 28574208. Its totient is φ = 16726336.

The previous prime is 22338853. The next prime is 22338913. The reversal of 22338865 is 56883322.

It is not a de Polignac number, because 22338865 - 2¹¹ = 22336817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3339 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (1785888).

Almost surely, 2^22338865 is an apocalyptic number.

It is an amenable number.

22338865 is a deficient number, since it is larger than the sum of its proper divisors (6235343).

22338865 is a wasteful number, since it uses less digits than its factorization.

22338865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208.

The product of its digits is 69120, while the sum is 37.

The square root of 22338865 is about 4726.4008505416. The cubic root of 22338865 is about 281.6352652614.

The spelling of 22338865 in words is "twenty-two million, three hundred thirty-eight thousand, eight hundred sixty-five".