222867439 has 2 divisors, whose sum is σ = 222867440. Its totient is φ = 222867438.

The previous prime is 222867427. The next prime is 222867497. The reversal of 222867439 is 934768222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222867439 - 2¹⁵ = 222834671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222867395 and 222867404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222867499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111433719 + 111433720.

It is an arithmetic number, because the mean of its divisors is an integer number (111433720).

Almost surely, 2^222867439 is an apocalyptic number.

222867439 is a deficient number, since it is larger than the sum of its proper divisors (1).

222867439 is an equidigital number, since it uses as much as digits as its factorization.

222867439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 222867439 is about 14928.7453926979. The cubic root of 222867439 is about 606.2925161808.

The spelling of 222867439 in words is "two hundred twenty-two million, eight hundred sixty-seven thousand, four hundred thirty-nine".