222913712 has 40 divisors (see below), whose sum is σ = 496396800. Its totient is φ = 94992192.

The previous prime is 222913697. The next prime is 222913721. The reversal of 222913712 is 217319222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14489 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (12409920).

Almost surely, 2^222913712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222913712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248198400).

222913712 is an abundant number, since it is smaller than the sum of its proper divisors (273483088).

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

222913712 is a wasteful number, since it uses less digits than its factorization.

222913712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313 (or 11307 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 222913712 is about 14930.2951075992. The cubic root of 222913712 is about 606.3344739058.

The spelling of 222913712 in words is "two hundred twenty-two million, nine hundred thirteen thousand, seven hundred twelve".