222467009 has 2 divisors, whose sum is σ = 222467010. Its totient is φ = 222467008.

The previous prime is 222466999. The next prime is 222467071. The reversal of 222467009 is 900764222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146289025 + 76177984 = 12095^2 + 8728^2 .

It is a cyclic number.

It is not a de Polignac number, because 222467009 - 2⁸ = 222466753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222467209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111233504 + 111233505.

It is an arithmetic number, because the mean of its divisors is an integer number (111233505).

Almost surely, 2^222467009 is an apocalyptic number.

It is an amenable number.

222467009 is a deficient number, since it is larger than the sum of its proper divisors (1).

222467009 is an equidigital number, since it uses as much as digits as its factorization.

222467009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 222467009 is about 14915.3279883481. The cubic root of 222467009 is about 605.9291862125.

The spelling of 222467009 in words is "two hundred twenty-two million, four hundred sixty-seven thousand, nine".