22364251 has 16 divisors (see below), whose sum is σ = 28050624. Its totient is φ = 17357184.

The previous prime is 22364239. The next prime is 22364281. The reversal of 22364251 is 15246322.

It is not a de Polignac number, because 22364251 - 2⁷ = 22364123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22364281) 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 15 ways as a sum of consecutive naturals, for example, 2505 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (1753164).

Almost surely, 2^22364251 is an apocalyptic number.

22364251 is a deficient number, since it is larger than the sum of its proper divisors (5686373).

22364251 is a wasteful number, since it uses less digits than its factorization.

22364251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710.

The product of its digits is 2880, while the sum is 25.

The square root of 22364251 is about 4729.0856410093. The cubic root of 22364251 is about 281.7419087916.

The spelling of 22364251 in words is "twenty-two million, three hundred sixty-four thousand, two hundred fifty-one".