22424730 has 32 divisors (see below), whose sum is σ = 53944704. Its totient is φ = 5966016.

The previous prime is 22424729. The next prime is 22424741. The reversal of 22424730 is 3742422.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22424730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22707 + ... + 23673.

It is an arithmetic number, because the mean of its divisors is an integer number (1685772).

Almost surely, 2^22424730 is an apocalyptic number.

22424730 is an abundant number, since it is smaller than the sum of its proper divisors (31519974).

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

22424730 is a wasteful number, since it uses less digits than its factorization.

22424730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 22424730 is about 4735.4756888828. The cubic root of 22424730 is about 281.9956490451.

The spelling of 22424730 in words is "twenty-two million, four hundred twenty-four thousand, seven hundred thirty".