22797091636900 has 81 divisors (see below), whose sum is σ = 57547216435779. Its totient is φ = 7816031112960.

The previous prime is 22797091636877. The next prime is 22797091636999. The reversal of 22797091636900 is 963619079722.

The square root of 22797091636900 is 4774630.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 632053620324 + 22165038016576 = 795018^2 + 4707976^2 .

It is a super-2 number, since 2×22797091636900² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 334189996 + ... + 334258204.

Almost surely, 2^{22797091636900} is an apocalyptic number.

22797091636900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

22797091636900 is the 4774630-th square number.

It is an amenable number.

22797091636900 is an abundant number, since it is smaller than the sum of its proper divisors (34750124798879).

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

22797091636900 is an frugal number, since it uses more digits than its factorization.

22797091636900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136446 (or 68223 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 61.

The spelling of 22797091636900 in words is "twenty-two trillion, seven hundred ninety-seven billion, ninety-one million, six hundred thirty-six thousand, nine hundred".