22813452 has 36 divisors (see below), whose sum is σ = 60704280. Its totient is φ = 7204032.

The previous prime is 22813411. The next prime is 22813481. The reversal of 22813452 is 25431822.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15993 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (1686230).

Almost surely, 2^22813452 is an apocalyptic number.

It is an amenable number.

22813452 is an abundant number, since it is smaller than the sum of its proper divisors (37890828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22813452 is a wasteful number, since it uses less digits than its factorization.

22813452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33382 (or 33377 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 22813452 is about 4776.3429525108. The cubic root of 22813452 is about 283.6157436373.

The spelling of 22813452 in words is "twenty-two million, eight hundred thirteen thousand, four hundred fifty-two".