22166928240 has 40 divisors (see below), whose sum is σ = 68717478288. Its totient is φ = 5911180800.

The previous prime is 22166928229. The next prime is 22166928257. The reversal of 22166928240 is 4282966122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 22166928192 and 22166928201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46180861 + ... + 46181340.

Almost surely, 2^22166928240 is an apocalyptic number.

22166928240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22166928240 is an abundant number, since it is smaller than the sum of its proper divisors (46550550048).

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

22166928240 is a wasteful number, since it uses less digits than its factorization.

22166928240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92362217 (or 92362211 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 22166928240 in words is "twenty-two billion, one hundred sixty-six million, nine hundred twenty-eight thousand, two hundred forty".