22276620 has 60 divisors (see below), whose sum is σ = 69887664. Its totient is φ = 5940000.

The previous prime is 22276609. The next prime is 22276633. The reversal of 22276620 is 2667222.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5256 + ... + 8495.

Almost surely, 2^22276620 is an apocalyptic number.

22276620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22276620 is an abundant number, since it is smaller than the sum of its proper divisors (47611044).

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

22276620 is a wasteful number, since it uses less digits than its factorization.

22276620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772 (or 13761 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 22276620 is about 4719.8114369114. The cubic root of 22276620 is about 281.3734391486.

The spelling of 22276620 in words is "twenty-two million, two hundred seventy-six thousand, six hundred twenty".