22474494 has 48 divisors (see below), whose sum is σ = 56204928. Its totient is φ = 6357456.

The previous prime is 22474471. The next prime is 22474523. The reversal of 22474494 is 49447422.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12649 + ... + 14315.

It is an arithmetic number, because the mean of its divisors is an integer number (1170936).

Almost surely, 2^22474494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22474494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28102464).

22474494 is an abundant number, since it is smaller than the sum of its proper divisors (33730434).

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

22474494 is a wasteful number, since it uses less digits than its factorization.

22474494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1786 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 22474494 is about 4740.7271594134. The cubic root of 22474494 is about 282.2040924854.

The spelling of 22474494 in words is "twenty-two million, four hundred seventy-four thousand, four hundred ninety-four".