222337961 has 2 divisors, whose sum is σ = 222337962. Its totient is φ = 222337960.

The previous prime is 222337939. The next prime is 222338003. The reversal of 222337961 is 169733222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177715561 + 44622400 = 13331^2 + 6680^2 .

It is a cyclic number.

It is not a de Polignac number, because 222337961 - 2¹⁰ = 222336937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222337361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111168980 + 111168981.

It is an arithmetic number, because the mean of its divisors is an integer number (111168981).

Almost surely, 2^222337961 is an apocalyptic number.

It is an amenable number.

222337961 is a deficient number, since it is larger than the sum of its proper divisors (1).

222337961 is an equidigital number, since it uses as much as digits as its factorization.

222337961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 222337961 is about 14911.0013412916. The cubic root of 222337961 is about 605.8120016850.

The spelling of 222337961 in words is "two hundred twenty-two million, three hundred thirty-seven thousand, nine hundred sixty-one".