22748574 has 8 divisors (see below), whose sum is σ = 45497160. Its totient is φ = 7582856.

The previous prime is 22748519. The next prime is 22748597. The reversal of 22748574 is 47584722.

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

22748574 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895709 + ... + 1895720.

It is an arithmetic number, because the mean of its divisors is an integer number (5687145).

Almost surely, 2^22748574 is an apocalyptic number.

22748574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22748574 is a wasteful number, since it uses less digits than its factorization.

22748574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791434.

The product of its digits is 125440, while the sum is 39.

The square root of 22748574 is about 4769.5465193245. The cubic root of 22748574 is about 283.3466349772.

The spelling of 22748574 in words is "twenty-two million, seven hundred forty-eight thousand, five hundred seventy-four".