22217086672 has 40 divisors (see below), whose sum is σ = 46975520160. Its totient is φ = 10095089280.

The previous prime is 22217086663. The next prime is 22217086679. The reversal of 22217086672 is 27668071222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22217086679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510438 + ... + 552250.

It is an arithmetic number, because the mean of its divisors is an integer number (1174388004).

Almost surely, 2^22217086672 is an apocalyptic number.

22217086672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22217086672 is an abundant number, since it is smaller than the sum of its proper divisors (24758433488).

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

22217086672 is a wasteful number, since it uses less digits than its factorization.

22217086672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44851 (or 44845 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 22217086672 in words is "twenty-two billion, two hundred seventeen million, eighty-six thousand, six hundred seventy-two".