22530255620 has 12 divisors (see below), whose sum is σ = 47313536844. Its totient is φ = 9012102240.

The previous prime is 22530255497. The next prime is 22530255623. The reversal of 22530255620 is 2655203522.

It can be written as a sum of positive squares in 2 ways, for example, as 11510714944 + 11019540676 = 107288^2 + 104974^2 .

It is a super-2 number, since 2×22530255620² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22530255623) 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 3 ways as a sum of consecutive naturals, for example, 563256371 + ... + 563256410.

It is an arithmetic number, because the mean of its divisors is an integer number (3942794737).

Almost surely, 2^22530255620 is an apocalyptic number.

22530255620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22530255620 is an abundant number, since it is smaller than the sum of its proper divisors (24783281224).

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

22530255620 is a wasteful number, since it uses less digits than its factorization.

22530255620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126512790 (or 1126512788 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 22530255620 in words is "twenty-two billion, five hundred thirty million, two hundred fifty-five thousand, six hundred twenty".