22715880420136 has 64 divisors (see below), whose sum is σ = 46719354474000. Its totient is φ = 10306486579200.

The previous prime is 22715880420127. The next prime is 22715880420137. The reversal of 22715880420136 is 63102408851722.

It can be written as a sum of positive squares in 8 ways, for example, as 21146147068036 + 1569733352100 = 4598494^2 + 1252890^2 .

It is a super-2 number, since 2×22715880420136² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22715880420136.

It is not an unprimeable number, because it can be changed into a prime (22715880420137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1343391 + ... + 6872878.

Almost surely, 2^{22715880420136} is an apocalyptic number.

It is an amenable number.

22715880420136 is an abundant number, since it is smaller than the sum of its proper divisors (24003474053864).

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

22715880420136 is a wasteful number, since it uses less digits than its factorization.

22715880420136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217022 (or 8217018 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 22715880420136 in words is "twenty-two trillion, seven hundred fifteen billion, eight hundred eighty million, four hundred twenty thousand, one hundred thirty-six".