22775639056 has 45 divisors (see below), whose sum is σ = 45737074903. Its totient is φ = 10986684800.

The previous prime is 22775639021. The next prime is 22775639083. The reversal of 22775639056 is 65093657722.

The square root of 22775639056 is 150916.

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 9943280656 + 12832358400 = 99716^2 + 113280^2 .

It is a super-2 number, since 2×22775639056² (a number of 22 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 = 22775638994 and 22775639012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17505606 + ... + 17506906.

Almost surely, 2^22775639056 is an apocalyptic number.

22775639056 is the 150916-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22775639056

22775639056 is an abundant number, since it is smaller than the sum of its proper divisors (22961435847).

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

22775639056 is an frugal number, since it uses more digits than its factorization.

22775639056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 22775639056 in words is "twenty-two billion, seven hundred seventy-five million, six hundred thirty-nine thousand, fifty-six".