222946092409 has 2 divisors, whose sum is σ = 222946092410. Its totient is φ = 222946092408.

The previous prime is 222946092403. The next prime is 222946092449. The reversal of 222946092409 is 904290649222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189729936400 + 33216156009 = 435580^2 + 182253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222946092409 is a prime.

It is not a weakly prime, because it can be changed into another prime (222946092403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111473046204 + 111473046205.

It is an arithmetic number, because the mean of its divisors is an integer number (111473046205).

Almost surely, 2^222946092409 is an apocalyptic number.

It is an amenable number.

222946092409 is a deficient number, since it is larger than the sum of its proper divisors (1).

222946092409 is an equidigital number, since it uses as much as digits as its factorization.

222946092409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 222946092409 in words is "two hundred twenty-two billion, nine hundred forty-six million, ninety-two thousand, four hundred nine".