22493274 has 8 divisors (see below), whose sum is σ = 44986560. Its totient is φ = 7497756.

The previous prime is 22493269. The next prime is 22493279. The reversal of 22493274 is 47239422.

It is an interprime number because it is at equal distance from previous prime (22493269) and next prime (22493279).

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

22493274 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22493279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874434 + ... + 1874445.

It is an arithmetic number, because the mean of its divisors is an integer number (5623320).

Almost surely, 2^22493274 is an apocalyptic number.

22493274 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.

22493274 is a wasteful number, since it uses less digits than its factorization.

22493274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748884.

The product of its digits is 24192, while the sum is 33.

The square root of 22493274 is about 4742.7074546086. The cubic root of 22493274 is about 282.2826751571.

The spelling of 22493274 in words is "twenty-two million, four hundred ninety-three thousand, two hundred seventy-four".