222003872 has 12 divisors (see below), whose sum is σ = 437070186. Its totient is φ = 111001920.

The previous prime is 222003869. The next prime is 222003893. The reversal of 222003872 is 278300222.

It can be written as a sum of positive squares in only one way, i.e., 176252176 + 45751696 = 13276^2 + 6764^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468779 + ... + 3468842.

Almost surely, 2^222003872 is an apocalyptic number.

It is an amenable number.

222003872 is a deficient number, since it is larger than the sum of its proper divisors (215066314).

222003872 is an equidigital number, since it uses as much as digits as its factorization.

222003872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937631 (or 6937623 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 222003872 is about 14899.7943609971. The cubic root of 222003872 is about 605.5084149234.

The spelling of 222003872 in words is "two hundred twenty-two million, three thousand, eight hundred seventy-two".