222398027 has 2 divisors, whose sum is σ = 222398028. Its totient is φ = 222398026.

The previous prime is 222398023. The next prime is 222398039. The reversal of 222398027 is 720893222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222398027 - 2² = 222398023 is a prime.

It is not a weakly prime, because it can be changed into another prime (222398023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111199013 + 111199014.

It is an arithmetic number, because the mean of its divisors is an integer number (111199014).

Almost surely, 2^222398027 is an apocalyptic number.

222398027 is a deficient number, since it is larger than the sum of its proper divisors (1).

222398027 is an equidigital number, since it uses as much as digits as its factorization.

222398027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 222398027 is about 14913.0153557220. The cubic root of 222398027 is about 605.8665514151.

The spelling of 222398027 in words is "two hundred twenty-two million, three hundred ninety-eight thousand, twenty-seven".