22225644580 has 12 divisors (see below), whose sum is σ = 46673853660. Its totient is φ = 8890257824.

The previous prime is 22225644577. The next prime is 22225644583. The reversal of 22225644580 is 8544652222.

It is an interprime number because it is at equal distance from previous prime (22225644577) and next prime (22225644583).

It can be written as a sum of positive squares in 2 ways, for example, as 8726922724 + 13498721856 = 93418^2 + 116184^2 .

It is not an unprimeable number, because it can be changed into a prime (22225644583) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 555641095 + ... + 555641134.

It is an arithmetic number, because the mean of its divisors is an integer number (3889487805).

Almost surely, 2^22225644580 is an apocalyptic number.

22225644580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22225644580 is an abundant number, since it is smaller than the sum of its proper divisors (24448209080).

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

22225644580 is a wasteful number, since it uses less digits than its factorization.

22225644580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111282238 (or 1111282236 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 22225644580 in words is "twenty-two billion, two hundred twenty-five million, six hundred forty-four thousand, five hundred eighty".