222258893 has 2 divisors, whose sum is σ = 222258894. Its totient is φ = 222258892.

The previous prime is 222258857. The next prime is 222258919. The reversal of 222258893 is 398852222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164301124 + 57957769 = 12818^2 + 7613^2 .

It is a cyclic number.

It is not a de Polignac number, because 222258893 - 2²² = 218064589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222258893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222258823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111129446 + 111129447.

It is an arithmetic number, because the mean of its divisors is an integer number (111129447).

Almost surely, 2^222258893 is an apocalyptic number.

It is an amenable number.

222258893 is a deficient number, since it is larger than the sum of its proper divisors (1).

222258893 is an equidigital number, since it uses as much as digits as its factorization.

222258893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 222258893 is about 14908.3497745391. The cubic root of 222258893 is about 605.7401800576.

The spelling of 222258893 in words is "two hundred twenty-two million, two hundred fifty-eight thousand, eight hundred ninety-three".