222122939 has 6 divisors (see below), whose sum is σ = 234429300. Its totient is φ = 210431916.

The previous prime is 222122911. The next prime is 222122959. The reversal of 222122939 is 939221222.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-222122939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307289 + ... + 308010.

It is an arithmetic number, because the mean of its divisors is an integer number (39071550).

Almost surely, 2^222122939 is an apocalyptic number.

222122939 is a deficient number, since it is larger than the sum of its proper divisors (12306361).

222122939 is an equidigital number, since it uses as much as digits as its factorization.

222122939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615337 (or 615318 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 222122939 is about 14903.7894174602. The cubic root of 222122939 is about 605.6166460465.

The spelling of 222122939 in words is "two hundred twenty-two million, one hundred twenty-two thousand, nine hundred thirty-nine".