22620460 has 12 divisors (see below), whose sum is σ = 47503008. Its totient is φ = 9048176.

The previous prime is 22620457. The next prime is 22620463. The reversal of 22620460 is 6402622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22620457) and next prime (22620463).

It is a super-2 number, since 2×22620460² = 1023370421223200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22620463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565492 + ... + 565531.

It is an arithmetic number, because the mean of its divisors is an integer number (3958584).

Almost surely, 2^22620460 is an apocalyptic number.

22620460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22620460 is an abundant number, since it is smaller than the sum of its proper divisors (24882548).

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

22620460 is a wasteful number, since it uses less digits than its factorization.

22620460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131032 (or 1131030 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22620460 is about 4756.0971394621. The cubic root of 22620460 is about 282.8137220118.

The spelling of 22620460 in words is "twenty-two million, six hundred twenty thousand, four hundred sixty".