22617263540 has 24 divisors (see below), whose sum is σ = 47503369032. Its totient is φ = 9045550080.

The previous prime is 22617263519. The next prime is 22617263551. The reversal of 22617263540 is 4536271622.

It can be written as a sum of positive squares in 4 ways, for example, as 3065393956 + 19551869584 = 55366^2 + 139828^2 .

It is a super-2 number, since 2×22617263540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22617263494 and 22617263503.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 57992 + ... + 220448.

It is an arithmetic number, because the mean of its divisors is an integer number (1979307043).

Almost surely, 2^22617263540 is an apocalyptic number.

22617263540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22617263540 is an abundant number, since it is smaller than the sum of its proper divisors (24886105492).

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

22617263540 is a wasteful number, since it uses less digits than its factorization.

22617263540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169427 (or 169425 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 22617263540 in words is "twenty-two billion, six hundred seventeen million, two hundred sixty-three thousand, five hundred forty".