22612116440 has 16 divisors (see below), whose sum is σ = 50877262080. Its totient is φ = 9044846560.

The previous prime is 22612116421. The next prime is 22612116451. The reversal of 22612116440 is 4461121622.

It is a super-2 number, since 2×22612116440² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282651416 + ... + 282651495.

It is an arithmetic number, because the mean of its divisors is an integer number (3179828880).

Almost surely, 2^22612116440 is an apocalyptic number.

22612116440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22612116440 is an abundant number, since it is smaller than the sum of its proper divisors (28265145640).

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

22612116440 is a wasteful number, since it uses less digits than its factorization.

22612116440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565302922 (or 565302918 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 22612116440 in words is "twenty-two billion, six hundred twelve million, one hundred sixteen thousand, four hundred forty".