222211996 has 12 divisors (see below), whose sum is σ = 393240960. Its totient is φ = 109857440.

The previous prime is 222211943. The next prime is 222212009. The reversal of 222211996 is 699112222.

It is a congruent number.

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, 311740 + ... + 312451.

It is an arithmetic number, because the mean of its divisors is an integer number (32770080).

Almost surely, 2^222211996 is an apocalyptic number.

It is an amenable number.

222211996 is a deficient number, since it is larger than the sum of its proper divisors (171028964).

222211996 is a wasteful number, since it uses less digits than its factorization.

222211996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624284 (or 624282 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 222211996 is about 14906.7768481319. The cubic root of 222211996 is about 605.6975729954.

The spelling of 222211996 in words is "two hundred twenty-two million, two hundred eleven thousand, nine hundred ninety-six".