222745124 has 12 divisors (see below), whose sum is σ = 445490304. Its totient is φ = 95462184.

The previous prime is 222745109. The next prime is 222745141. The reversal of 222745124 is 421547222.

222745124 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3977564 + ... + 3977619.

It is an arithmetic number, because the mean of its divisors is an integer number (37124192).

Almost surely, 2^222745124 is an apocalyptic number.

It is an amenable number.

222745124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222745124 is a wasteful number, since it uses less digits than its factorization.

222745124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955194 (or 7955192 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 222745124 is about 14924.6482035591. The cubic root of 222745124 is about 606.1815799216.

The spelling of 222745124 in words is "two hundred twenty-two million, seven hundred forty-five thousand, one hundred twenty-four".