22615366140 has 72 divisors (see below), whose sum is σ = 70812862848. Its totient is φ = 5836222080.

The previous prime is 22615366097. The next prime is 22615366231. The reversal of 22615366140 is 4166351622.

22615366140 is a `hidden beast` number, since 2 + 2 + 6 + 1 + 5 + 36 + 614 + 0 = 666.

It is a super-2 number, since 2×22615366140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22615366095 and 22615366104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2020887 + ... + 2032046.

It is an arithmetic number, because the mean of its divisors is an integer number (983511984).

Almost surely, 2^22615366140 is an apocalyptic number.

22615366140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22615366140 is an abundant number, since it is smaller than the sum of its proper divisors (48197496708).

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

22615366140 is a wasteful number, since it uses less digits than its factorization.

22615366140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052979 (or 4052974 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 22615366140 in words is "twenty-two billion, six hundred fifteen million, three hundred sixty-six thousand, one hundred forty".