222934660 has 36 divisors (see below), whose sum is σ = 506953188. Its totient is φ = 82313088.

The previous prime is 222934643. The next prime is 222934667. The reversal of 222934660 is 66439222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 41062464 + 181872196 = 6408^2 + 13486^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (222934667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29599 + ... + 36358.

It is an arithmetic number, because the mean of its divisors is an integer number (14082033).

Almost surely, 2^222934660 is an apocalyptic number.

222934660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222934660 is an abundant number, since it is smaller than the sum of its proper divisors (284018528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222934660 is a wasteful number, since it uses less digits than its factorization.

222934660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65992 (or 65977 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 222934660 is about 14930.9966177747. The cubic root of 222934660 is about 606.3534664517.

The spelling of 222934660 in words is "two hundred twenty-two million, nine hundred thirty-four thousand, six hundred sixty".