2222222409 has 12 divisors (see below), whose sum is σ = 3501683952. Its totient is φ = 1346801400.

The previous prime is 2222222393. The next prime is 2222222447. The reversal of 2222222409 is 9042222222.

It is not a de Polignac number, because 2222222409 - 2⁴ = 2222222393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222222459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11223247 + ... + 11223444.

It is an arithmetic number, because the mean of its divisors is an integer number (291806996).

Almost surely, 2^2222222409 is an apocalyptic number.

It is an amenable number.

2222222409 is a deficient number, since it is larger than the sum of its proper divisors (1279461543).

2222222409 is a wasteful number, since it uses less digits than its factorization.

2222222409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22446708 (or 22446705 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2222222409 is about 47140.4540601806. The cubic root of 2222222409 is about 1304.9559169501.

The spelling of 2222222409 in words is "two billion, two hundred twenty-two million, two hundred twenty-two thousand, four hundred nine".