22497447200 has 54 divisors (see below), whose sum is σ = 54932251689. Its totient is φ = 8997281920.

The previous prime is 22497447187. The next prime is 22497447239. The reversal of 22497447200 is 274479422.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 22047498256 + 449948944 = 148484^2 + 21212^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106060.

It is a super-2 number, since 2×22497447200² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4239749 + ... + 4245051.

Almost surely, 2^22497447200 is an apocalyptic number.

22497447200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22497447200 is an abundant number, since it is smaller than the sum of its proper divisors (32434804489).

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

22497447200 is an frugal number, since it uses more digits than its factorization.

22497447200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626 (or 5310 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 22497447200 in words is "twenty-two billion, four hundred ninety-seven million, four hundred forty-seven thousand, two hundred".