222013279 has 2 divisors, whose sum is σ = 222013280. Its totient is φ = 222013278.

The previous prime is 222013261. The next prime is 222013313. The reversal of 222013279 is 972310222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222013279 - 2⁷ = 222013151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222013219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111006639 + 111006640.

It is an arithmetic number, because the mean of its divisors is an integer number (111006640).

Almost surely, 2^222013279 is an apocalyptic number.

222013279 is a deficient number, since it is larger than the sum of its proper divisors (1).

222013279 is an equidigital number, since it uses as much as digits as its factorization.

222013279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 222013279 is about 14900.1100331508. The cubic root of 222013279 is about 605.5169672325.

The spelling of 222013279 in words is "two hundred twenty-two million, thirteen thousand, two hundred seventy-nine".