222424591 has 2 divisors, whose sum is σ = 222424592. Its totient is φ = 222424590.

The previous prime is 222424561. The next prime is 222424613. The reversal of 222424591 is 195424222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222424591 - 2¹⁵ = 222391823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222424561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111212295 + 111212296.

It is an arithmetic number, because the mean of its divisors is an integer number (111212296).

Almost surely, 2^222424591 is an apocalyptic number.

222424591 is a deficient number, since it is larger than the sum of its proper divisors (1).

222424591 is an equidigital number, since it uses as much as digits as its factorization.

222424591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 222424591 is about 14913.9059605457. The cubic root of 222424591 is about 605.8906727298.

The spelling of 222424591 in words is "two hundred twenty-two million, four hundred twenty-four thousand, five hundred ninety-one".