222332087 has 2 divisors, whose sum is σ = 222332088. Its totient is φ = 222332086.

The previous prime is 222332083. The next prime is 222332113. The reversal of 222332087 is 780233222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222332087 - 2² = 222332083 is a prime.

It is a Chen prime.

It is equal to p_12243926 and since 222332087 and 12243926 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222332081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111166043 + 111166044.

It is an arithmetic number, because the mean of its divisors is an integer number (111166044).

Almost surely, 2^222332087 is an apocalyptic number.

222332087 is a deficient number, since it is larger than the sum of its proper divisors (1).

222332087 is an equidigital number, since it uses as much as digits as its factorization.

222332087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 222332087 is about 14910.8043713275. The cubic root of 222332087 is about 605.8066666071.

The spelling of 222332087 in words is "two hundred twenty-two million, three hundred thirty-two thousand, eighty-seven".