22497200000 has 192 divisors, whose sum is σ = 61124369040. Its totient is φ = 8179200000.

The previous prime is 22497199987. The next prime is 22497200003. The reversal of 22497200000 is 279422.

It is a super-2 number, since 2×22497200000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22497200003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4397444 + ... + 4402556.

Almost surely, 2^22497200000 is an apocalyptic number.

22497200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22497200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30562184520).

22497200000 is an abundant number, since it is smaller than the sum of its proper divisors (38627169040).

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

22497200000 is an frugal number, since it uses more digits than its factorization.

22497200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163 (or 5131 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 22497200000 its reverse (279422), we get a palindrome (22497479422).

The spelling of 22497200000 in words is "twenty-two billion, four hundred ninety-seven million, two hundred thousand".