222946139 has 8 divisors (see below), whose sum is σ = 240212112. Its totient is φ = 205696800.

The previous prime is 222946117. The next prime is 222946159. The reversal of 222946139 is 931649222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222946139 - 2⁸ = 222945883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222946159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47864 + ... + 52314.

It is an arithmetic number, because the mean of its divisors is an integer number (30026514).

Almost surely, 2^222946139 is an apocalyptic number.

222946139 is a deficient number, since it is larger than the sum of its proper divisors (17265973).

222946139 is a wasteful number, since it uses less digits than its factorization.

222946139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317.

The product of its digits is 46656, while the sum is 38.

The square root of 222946139 is about 14931.3810144943. The cubic root of 222946139 is about 606.3638734053.

The spelling of 222946139 in words is "two hundred twenty-two million, nine hundred forty-six thousand, one hundred thirty-nine".