222420726792 has 64 divisors (see below), whose sum is σ = 674002209600. Its totient is φ = 67400219520.

The previous prime is 222420726791. The next prime is 222420726797. The reversal of 222420726792 is 297627024222.

It is a super-2 number, since 2×222420726792² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222420726791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46803333 + ... + 46808084.

It is an arithmetic number, because the mean of its divisors is an integer number (10531284525).

Almost surely, 2^222420726792 is an apocalyptic number.

222420726792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222420726792 is an abundant number, since it is smaller than the sum of its proper divisors (451581482808).

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

222420726792 is a wasteful number, since it uses less digits than its factorization.

222420726792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93611443 (or 93611433 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 222420726792 in words is "two hundred twenty-two billion, four hundred twenty million, seven hundred twenty-six thousand, seven hundred ninety-two".