222131339 has 4 divisors (see below), whose sum is σ = 222573456. Its totient is φ = 221689224.

The previous prime is 222131279. The next prime is 222131359. The reversal of 222131339 is 933131222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222131339 - 2⁸ = 222131083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222131359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220304 + ... + 221309.

It is an arithmetic number, because the mean of its divisors is an integer number (55643364).

Almost surely, 2^222131339 is an apocalyptic number.

222131339 is a deficient number, since it is larger than the sum of its proper divisors (442117).

222131339 is an equidigital number, since it uses as much as digits as its factorization.

222131339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442116.

The product of its digits is 1944, while the sum is 26.

The square root of 222131339 is about 14904.0712223204. The cubic root of 222131339 is about 605.6242801308.

The spelling of 222131339 in words is "two hundred twenty-two million, one hundred thirty-one thousand, three hundred thirty-nine".