222897023 has 2 divisors, whose sum is σ = 222897024. Its totient is φ = 222897022.

The previous prime is 222897019. The next prime is 222897061. The reversal of 222897023 is 320798222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222897023 - 2² = 222897019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222827023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111448511 + 111448512.

It is an arithmetic number, because the mean of its divisors is an integer number (111448512).

Almost surely, 2^222897023 is an apocalyptic number.

222897023 is a deficient number, since it is larger than the sum of its proper divisors (1).

222897023 is an equidigital number, since it uses as much as digits as its factorization.

222897023 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 222897023 is about 14929.7361999467. The cubic root of 222897023 is about 606.3193419392.

The spelling of 222897023 in words is "two hundred twenty-two million, eight hundred ninety-seven thousand, twenty-three".