22864401 has 12 divisors (see below), whose sum is σ = 37744512. Its totient is φ = 13065336.

The previous prime is 22864399. The next prime is 22864459. The reversal of 22864401 is 10446822.

It is not a de Polignac number, because 22864401 - 2¹ = 22864399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22864601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181401 + ... + 181526.

It is an arithmetic number, because the mean of its divisors is an integer number (3145376).

Almost surely, 2^22864401 is an apocalyptic number.

22864401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22864401 is a deficient number, since it is larger than the sum of its proper divisors (14880111).

22864401 is a wasteful number, since it uses less digits than its factorization.

22864401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362940 (or 362937 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22864401 is about 4781.6734518367. The cubic root of 22864401 is about 283.8267185026.

The spelling of 22864401 in words is "twenty-two million, eight hundred sixty-four thousand, four hundred one".