22373578084 has 81 divisors (see below), whose sum is σ = 46691231769. Its totient is φ = 9369565920.

The previous prime is 22373578081. The next prime is 22373578133. The reversal of 22373578084 is 48087537322.

It is a happy number.

The square root of 22373578084 is 149578.

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

It can be written as a sum of positive squares in only one way, i.e., 3309700900 + 19063877184 = 57530^2 + 138072^2 .

It is a super-2 number, since 2×22373578084² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22373578081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 42779047 + ... + 42779569.

Almost surely, 2^22373578084 is an apocalyptic number.

22373578084 is the 149578-th square number.

It is an amenable number.

22373578084 is an abundant number, since it is smaller than the sum of its proper divisors (24317653685).

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

22373578084 is a wasteful number, since it uses less digits than its factorization.

22373578084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

Multiplying 22373578084 by its sum of digits (49), we get a square (1096305326116 = 1047046²).

The spelling of 22373578084 in words is "twenty-two billion, three hundred seventy-three million, five hundred seventy-eight thousand, eighty-four".