22776120 has 64 divisors (see below), whose sum is σ = 75924000. Its totient is φ = 6073344.

The previous prime is 22776109. The next prime is 22776121. The reversal of 22776120 is 2167722.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22776121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9465 + ... + 11624.

Almost surely, 2^22776120 is an apocalyptic number.

22776120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22776120 is an abundant number, since it is smaller than the sum of its proper divisors (53147880).

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

22776120 is a wasteful number, since it uses less digits than its factorization.

22776120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21109 (or 21099 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 22776120 is about 4772.4333415984. The cubic root of 22776120 is about 283.4609559623.

The spelling of 22776120 in words is "twenty-two million, seven hundred seventy-six thousand, one hundred twenty".