222766730 has 32 divisors (see below), whose sum is σ = 419344128. Its totient is φ = 85043200.

The previous prime is 222766723. The next prime is 222766757. The reversal of 222766730 is 37667222.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 146675 + ... + 148185.

It is an arithmetic number, because the mean of its divisors is an integer number (13104504).

Almost surely, 2^222766730 is an apocalyptic number.

222766730 is a deficient number, since it is larger than the sum of its proper divisors (196577398).

222766730 is a wasteful number, since it uses less digits than its factorization.

222766730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 222766730 is about 14925.3720221641. The cubic root of 222766730 is about 606.2011789077.

The spelling of 222766730 in words is "two hundred twenty-two million, seven hundred sixty-six thousand, seven hundred thirty".