22804251 has 16 divisors (see below), whose sum is σ = 31825920. Its totient is φ = 14506560.

The previous prime is 22804207. The next prime is 22804283. The reversal of 22804251 is 15240822.

It is not a de Polignac number, because 22804251 - 2¹⁰ = 22803227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22804291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5110 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (1989120).

Almost surely, 2^22804251 is an apocalyptic number.

22804251 is a deficient number, since it is larger than the sum of its proper divisors (9021669).

22804251 is a wasteful number, since it uses less digits than its factorization.

22804251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 22804251 is about 4775.3796707696. The cubic root of 22804251 is about 283.5776097129.

The spelling of 22804251 in words is "twenty-two million, eight hundred four thousand, two hundred fifty-one".