222230999 has 2 divisors, whose sum is σ = 222231000. Its totient is φ = 222230998.

The previous prime is 222230969. The next prime is 222231001. The reversal of 222230999 is 999032222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222230999 is a prime.

Together with 222231001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222230969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111115499 + 111115500.

It is an arithmetic number, because the mean of its divisors is an integer number (111115500).

Almost surely, 2^222230999 is an apocalyptic number.

222230999 is a deficient number, since it is larger than the sum of its proper divisors (1).

222230999 is an equidigital number, since it uses as much as digits as its factorization.

222230999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 222230999 is about 14907.4142291680. The cubic root of 222230999 is about 605.7148384042.

The spelling of 222230999 in words is "two hundred twenty-two million, two hundred thirty thousand, nine hundred ninety-nine".