22496251 has 4 divisors (see below), whose sum is σ = 22865104. Its totient is φ = 22127400.

The previous prime is 22496239. The next prime is 22496261. The reversal of 22496251 is 15269422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22496251 - 2¹⁷ = 22365179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22496261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184335 + ... + 184456.

It is an arithmetic number, because the mean of its divisors is an integer number (5716276).

Almost surely, 2^22496251 is an apocalyptic number.

22496251 is a deficient number, since it is larger than the sum of its proper divisors (368853).

22496251 is an equidigital number, since it uses as much as digits as its factorization.

22496251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368852.

The product of its digits is 8640, while the sum is 31.

The square root of 22496251 is about 4743.0212944915. The cubic root of 22496251 is about 282.2951280419.

The spelling of 22496251 in words is "twenty-two million, four hundred ninety-six thousand, two hundred fifty-one".