22097200 has 30 divisors (see below), whose sum is σ = 53089484. Its totient is φ = 8838720.

The previous prime is 22097197. The next prime is 22097213. The reversal of 22097200 is 279022.

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, 27222 + ... + 28021.

Almost surely, 2^22097200 is an apocalyptic number.

22097200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22097200 is an abundant number, since it is smaller than the sum of its proper divisors (30992284).

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

22097200 is a wasteful number, since it uses less digits than its factorization.

22097200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55261 (or 55250 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 22097200 is about 4700.7658950431. The cubic root of 22097200 is about 280.6159907856.

It can be divided in two parts, 2209 and 7200, that added together give a square (9409 = 97²).

The spelling of 22097200 in words is "twenty-two million, ninety-seven thousand, two hundred".