22470620 has 12 divisors (see below), whose sum is σ = 47188344. Its totient is φ = 8988240.

The previous prime is 22470619. The next prime is 22470647. The reversal of 22470620 is 2607422.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561746 + ... + 561785.

It is an arithmetic number, because the mean of its divisors is an integer number (3932362).

Almost surely, 2^22470620 is an apocalyptic number.

22470620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22470620 is an abundant number, since it is smaller than the sum of its proper divisors (24717724).

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

22470620 is a wasteful number, since it uses less digits than its factorization.

22470620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123540 (or 1123538 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22470620 is about 4740.3185546965. The cubic root of 22470620 is about 282.1878767481.

The spelling of 22470620 in words is "twenty-two million, four hundred seventy thousand, six hundred twenty".