22838865 has 32 divisors (see below), whose sum is σ = 41942016. Its totient is φ = 10395840.

The previous prime is 22838843. The next prime is 22838867. The reversal of 22838865 is 56883822.

It is not a de Polignac number, because 22838865 - 2⁷ = 22838737 is a prime.

It is a super-2 number, since 2×22838865² = 1043227508976450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22838867) 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, 46270 + ... + 46760.

It is an arithmetic number, because the mean of its divisors is an integer number (1310688).

Almost surely, 2^22838865 is an apocalyptic number.

It is an amenable number.

22838865 is a deficient number, since it is larger than the sum of its proper divisors (19103151).

22838865 is a wasteful number, since it uses less digits than its factorization.

22838865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its digits is 184320, while the sum is 42.

The square root of 22838865 is about 4779.0025109849. The cubic root of 22838865 is about 283.7210156244.

It can be divided in two parts, 228 and 38865, that added together give a palindrome (39093).

The spelling of 22838865 in words is "twenty-two million, eight hundred thirty-eight thousand, eight hundred sixty-five".