22093440533956 has 45 divisors (see below), whose sum is σ = 42531798715455. Its totient is φ = 10041955929720.

The previous prime is 22093440533951. The next prime is 22093440534001. The reversal of 22093440533956 is 65933504439022.

The square root of 22093440533956 is 4700366.

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

It is a super-2 number, since 2×22093440533956² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22093440533897 and 22093440533906.

It is not an unprimeable number, because it can be changed into a prime (22093440533951) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1137478861 + ... + 1137498283.

Almost surely, 2^{22093440533956} is an apocalyptic number.

22093440533956 is the 4700366-th square number.

It is an amenable number.

22093440533956 is a deficient number, since it is larger than the sum of its proper divisors (20438358181499).

22093440533956 is an frugal number, since it uses more digits than its factorization.

22093440533956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38894 (or 19436 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 55.

The spelling of 22093440533956 in words is "twenty-two trillion, ninety-three billion, four hundred forty million, five hundred thirty-three thousand, nine hundred fifty-six".