222739672 has 8 divisors (see below), whose sum is σ = 417636900. Its totient is φ = 111369832.

The previous prime is 222739639. The next prime is 222739687. The reversal of 222739672 is 276937222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×222739672² = 99225922965335168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13921222 + ... + 13921237.

Almost surely, 2^222739672 is an apocalyptic number.

It is an amenable number.

222739672 is a deficient number, since it is larger than the sum of its proper divisors (194897228).

222739672 is a wasteful number, since it uses less digits than its factorization.

222739672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27842465 (or 27842461 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 222739672 is about 14924.4655515700. The cubic root of 222739672 is about 606.1766341658.

The spelling of 222739672 in words is "two hundred twenty-two million, seven hundred thirty-nine thousand, six hundred seventy-two".