22813451 has 6 divisors (see below), whose sum is σ = 23197356. Its totient is φ = 22435800.

The previous prime is 22813411. The next prime is 22813481. The reversal of 22813451 is 15431822.

It is not a de Polignac number, because 22813451 - 2⁶ = 22813387 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 22813451.

It is not an unprimeable number, because it can be changed into a prime (22813411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (3866226).

Almost surely, 2^22813451 is an apocalyptic number.

22813451 is a deficient number, since it is larger than the sum of its proper divisors (383905).

22813451 is an frugal number, since it uses more digits than its factorization.

22813451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253 (or 6192 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 22813451 is about 4776.3428478282. The cubic root of 22813451 is about 283.6157394933.

The spelling of 22813451 in words is "twenty-two million, eight hundred thirteen thousand, four hundred fifty-one".