22464251 has 8 divisors (see below), whose sum is σ = 23693520. Its totient is φ = 21239712.

The previous prime is 22464227. The next prime is 22464271. The reversal of 22464251 is 15246422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22464251 - 2²² = 18269947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22464251.

It is not an unprimeable number, because it can be changed into a prime (22464271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13121 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (2961690).

Almost surely, 2^22464251 is an apocalyptic number.

22464251 is a deficient number, since it is larger than the sum of its proper divisors (1229269).

22464251 is a wasteful number, since it uses less digits than its factorization.

22464251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365.

The product of its digits is 3840, while the sum is 26.

The square root of 22464251 is about 4739.6467167923. The cubic root of 22464251 is about 282.1612134218.

The spelling of 22464251 in words is "twenty-two million, four hundred sixty-four thousand, two hundred fifty-one".