222466297 has 2 divisors, whose sum is σ = 222466298. Its totient is φ = 222466296.

The previous prime is 222466289. The next prime is 222466319. The reversal of 222466297 is 792664222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181198521 + 41267776 = 13461^2 + 6424^2 .

It is a cyclic number.

It is not a de Polignac number, because 222466297 - 2³ = 222466289 is a prime.

It is not a weakly prime, because it can be changed into another prime (222466247) 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, 111233148 + 111233149.

It is an arithmetic number, because the mean of its divisors is an integer number (111233149).

Almost surely, 2^222466297 is an apocalyptic number.

It is an amenable number.

222466297 is a deficient number, since it is larger than the sum of its proper divisors (1).

222466297 is an equidigital number, since it uses as much as digits as its factorization.

222466297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 222466297 is about 14915.3041202652. The cubic root of 222466297 is about 605.9285397915.

The spelling of 222466297 in words is "two hundred twenty-two million, four hundred sixty-six thousand, two hundred ninety-seven".