22276400 has 30 divisors (see below), whose sum is σ = 53520012. Its totient is φ = 8910400.

The previous prime is 22276399. The next prime is 22276411. The reversal of 22276400 is 467222.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27446 + ... + 28245.

Almost surely, 2^22276400 is an apocalyptic number.

22276400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22276400 is an abundant number, since it is smaller than the sum of its proper divisors (31243612).

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

22276400 is a wasteful number, since it uses less digits than its factorization.

22276400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55709 (or 55698 counting only the distinct ones).

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

The square root of 22276400 is about 4719.7881308381. The cubic root of 22276400 is about 281.3725128806.

The spelling of 22276400 in words is "twenty-two million, two hundred seventy-six thousand, four hundred".