222794738412 has 12 divisors (see below), whose sum is σ = 519854389656. Its totient is φ = 74264912800.

The previous prime is 222794738347. The next prime is 222794738437. The reversal of 222794738412 is 214837497222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9283114089 + ... + 9283114112.

It is an arithmetic number, because the mean of its divisors is an integer number (43321199138).

Almost surely, 2^222794738412 is an apocalyptic number.

It is an amenable number.

222794738412 is an abundant number, since it is smaller than the sum of its proper divisors (297059651244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222794738412 is a wasteful number, since it uses less digits than its factorization.

222794738412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18566228208 (or 18566228206 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The spelling of 222794738412 in words is "two hundred twenty-two billion, seven hundred ninety-four million, seven hundred thirty-eight thousand, four hundred twelve".