22260622440 has 64 divisors (see below), whose sum is σ = 76322136960. Its totient is φ = 5088142080.

The previous prime is 22260622429. The next prime is 22260622463. The reversal of 22260622440 is 4422606222.

It is a super-2 number, since 2×22260622440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22260622398 and 22260622407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13249531 + ... + 13251210.

It is an arithmetic number, because the mean of its divisors is an integer number (1192533390).

Almost surely, 2^22260622440 is an apocalyptic number.

22260622440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22260622440 is an abundant number, since it is smaller than the sum of its proper divisors (54061514520).

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

22260622440 is a wasteful number, since it uses less digits than its factorization.

22260622440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26500762 (or 26500758 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 22260622440 in words is "twenty-two billion, two hundred sixty million, six hundred twenty-two thousand, four hundred forty".