22758672222 has 160 divisors (see below), whose sum is σ = 60468075360. Its totient is φ = 6306958080.

The previous prime is 22758672179. The next prime is 22758672241. The reversal of 22758672222 is 22227685722.

22758672222 is a `hidden beast` number, since 2 + 27 + 586 + 7 + 22 + 22 = 666.

It is a super-2 number, since 2×22758672222² (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 79 ways as a sum of consecutive naturals, for example, 2520588 + ... + 2529600.

It is an arithmetic number, because the mean of its divisors is an integer number (377925471).

Almost surely, 2^22758672222 is an apocalyptic number.

22758672222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22758672222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30234037680).

22758672222 is an abundant number, since it is smaller than the sum of its proper divisors (37709403138).

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

22758672222 is a wasteful number, since it uses less digits than its factorization.

22758672222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160 (or 9151 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The spelling of 22758672222 in words is "twenty-two billion, seven hundred fifty-eight million, six hundred seventy-two thousand, two hundred twenty-two".