222713812 has 6 divisors (see below), whose sum is σ = 389749178. Its totient is φ = 111356904.

The previous prime is 222713809. The next prime is 222713833. The reversal of 222713812 is 218317222.

It can be written as a sum of positive squares in only one way, i.e., 159415876 + 63297936 = 12626^2 + 7956^2 .

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, 27839223 + ... + 27839230.

Almost surely, 2^222713812 is an apocalyptic number.

It is an amenable number.

222713812 is a deficient number, since it is larger than the sum of its proper divisors (167035366).

222713812 is a wasteful number, since it uses less digits than its factorization.

222713812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55678457 (or 55678455 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 222713812 is about 14923.5991637406. The cubic root of 222713812 is about 606.1531742910.

The spelling of 222713812 in words is "two hundred twenty-two million, seven hundred thirteen thousand, eight hundred twelve".