22366997136 has 225 divisors, whose sum is σ = 69530744595. Its totient is φ = 6712073280.

The previous prime is 22366997131. The next prime is 22366997137. The reversal of 22366997136 is 63179966322.

The square root of 22366997136 is 149556.

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

It is not an unprimeable number, because it can be changed into a prime (22366997131) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 217155261 + ... + 217155363.

Almost surely, 2^22366997136 is an apocalyptic number.

22366997136 is the 149556-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22366997136

22366997136 is an abundant number, since it is smaller than the sum of its proper divisors (47163747459).

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

22366997136 is an equidigital number, since it uses as much as digits as its factorization.

22366997136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 119 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The spelling of 22366997136 in words is "twenty-two billion, three hundred sixty-six million, nine hundred ninety-seven thousand, one hundred thirty-six".