222779164 has 12 divisors (see below), whose sum is σ = 389998000. Its totient is φ = 111351168.

The previous prime is 222779129. The next prime is 222779197. The reversal of 222779164 is 461977222.

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, 6412 + ... + 22060.

Almost surely, 2^222779164 is an apocalyptic number.

It is an amenable number.

222779164 is a deficient number, since it is larger than the sum of its proper divisors (167218836).

222779164 is a wasteful number, since it uses less digits than its factorization.

222779164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19212 (or 19210 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 222779164 is about 14925.7885553829. The cubic root of 222779164 is about 606.2124573202.

The spelling of 222779164 in words is "two hundred twenty-two million, seven hundred seventy-nine thousand, one hundred sixty-four".