222344009 has 2 divisors, whose sum is σ = 222344010. Its totient is φ = 222344008.

The previous prime is 222343991. The next prime is 222344029. The reversal of 222344009 is 900443222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147088384 + 75255625 = 12128^2 + 8675^2 .

It is a cyclic number.

It is not a de Polignac number, because 222344009 - 2²⁴ = 205566793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222344029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111172004 + 111172005.

It is an arithmetic number, because the mean of its divisors is an integer number (111172005).

Almost surely, 2^222344009 is an apocalyptic number.

It is an amenable number.

222344009 is a deficient number, since it is larger than the sum of its proper divisors (1).

222344009 is an equidigital number, since it uses as much as digits as its factorization.

222344009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 222344009 is about 14911.2041431938. The cubic root of 222344009 is about 605.8174947008.

The spelling of 222344009 in words is "two hundred twenty-two million, three hundred forty-four thousand, nine".