222000000309 has 24 divisors (see below), whose sum is σ = 325600766400. Its totient is φ = 145738061568.

The previous prime is 222000000301. The next prime is 222000000319. The reversal of 222000000309 is 903000000222.

It is not a de Polignac number, because 222000000309 - 2³ = 222000000301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222000000291 and 222000000300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000000301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465207 + ... + 812660.

It is an arithmetic number, because the mean of its divisors is an integer number (13566698600).

Almost surely, 2^222000000309 is an apocalyptic number.

It is an amenable number.

222000000309 is a deficient number, since it is larger than the sum of its proper divisors (103600766091).

222000000309 is a wasteful number, since it uses less digits than its factorization.

222000000309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278169 (or 1278166 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The spelling of 222000000309 in words is "two hundred twenty-two billion, three hundred nine", and thus it is an aban number.