22164502240 has 48 divisors (see below), whose sum is σ = 52372535040. Its totient is φ = 8864294400.

The previous prime is 22164502189. The next prime is 22164502247. The reversal of 22164502240 is 4220546122.

It is a junction number, because it is equal to n+sod(n) for n = 22164502199 and 22164502208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22164502247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866241 + ... + 1878079.

It is an arithmetic number, because the mean of its divisors is an integer number (1091094480).

Almost surely, 2^22164502240 is an apocalyptic number.

22164502240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22164502240 is an abundant number, since it is smaller than the sum of its proper divisors (30208032800).

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

22164502240 is a wasteful number, since it uses less digits than its factorization.

22164502240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23555 (or 23547 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 22164502240 in words is "twenty-two billion, one hundred sixty-four million, five hundred two thousand, two hundred forty".