222668867 has 2 divisors, whose sum is σ = 222668868. Its totient is φ = 222668866.

The previous prime is 222668863. The next prime is 222668879. The reversal of 222668867 is 768866222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222668867 - 2² = 222668863 is a prime.

It is not a weakly prime, because it can be changed into another prime (222668863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111334433 + 111334434.

It is an arithmetic number, because the mean of its divisors is an integer number (111334434).

Almost surely, 2^222668867 is an apocalyptic number.

222668867 is a deficient number, since it is larger than the sum of its proper divisors (1).

222668867 is an equidigital number, since it uses as much as digits as its factorization.

222668867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 47.

The square root of 222668867 is about 14922.0932512835. The cubic root of 222668867 is about 606.1123964171.

The spelling of 222668867 in words is "two hundred twenty-two million, six hundred sixty-eight thousand, eight hundred sixty-seven".