22739480 has 32 divisors (see below), whose sum is σ = 52930800. Its totient is φ = 8781696.

The previous prime is 22739467. The next prime is 22739501. The reversal of 22739480 is 8493722.

It is a self number, because there is not a number n which added to its sum of digits gives 22739480.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8642 + ... + 10961.

Almost surely, 2^22739480 is an apocalyptic number.

22739480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22739480 is an abundant number, since it is smaller than the sum of its proper divisors (30191320).

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

22739480 is a wasteful number, since it uses less digits than its factorization.

22739480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19643 (or 19639 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 22739480 is about 4768.5930839190. The cubic root of 22739480 is about 283.3088729364.

The spelling of 22739480 in words is "twenty-two million, seven hundred thirty-nine thousand, four hundred eighty".