222706657272 has 64 divisors (see below), whose sum is σ = 610528988160. Its totient is φ = 67137177600.

The previous prime is 222706657207. The next prime is 222706657273. The reversal of 222706657272 is 272756607222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222706657273) 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, 2134504 + ... + 2236407.

It is an arithmetic number, because the mean of its divisors is an integer number (9539515440).

Almost surely, 2^222706657272 is an apocalyptic number.

222706657272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222706657272 is an abundant number, since it is smaller than the sum of its proper divisors (387822330888).

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

222706657272 is a wasteful number, since it uses less digits than its factorization.

222706657272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371124 (or 4371120 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 48.

It can be divided in two parts, 222706 and 657272, that added together give a palindrome (879978).

The spelling of 222706657272 in words is "two hundred twenty-two billion, seven hundred six million, six hundred fifty-seven thousand, two hundred seventy-two".