222666670 has 16 divisors (see below), whose sum is σ = 402094368. Its totient is φ = 88779040.

The previous prime is 222666667. The next prime is 222666671. The reversal of 222666670 is 76666222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222666671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32689 + ... + 38908.

It is an arithmetic number, because the mean of its divisors is an integer number (25130898).

Almost surely, 2^222666670 is an apocalyptic number.

222666670 is a deficient number, since it is larger than the sum of its proper divisors (179427698).

222666670 is a wasteful number, since it uses less digits than its factorization.

222666670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71915.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 222666670 is about 14922.0196354247. The cubic root of 222666670 is about 606.1104029737.

The spelling of 222666670 in words is "two hundred twenty-two million, six hundred sixty-six thousand, six hundred seventy".