222460666 has 8 divisors (see below), whose sum is σ = 334049940. Its totient is φ = 111110688.

The previous prime is 222460649. The next prime is 222460741. The reversal of 222460666 is 666064222.

It can be written as a sum of positive squares in 2 ways, for example, as 184280625 + 38180041 = 13575^2 + 6179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 57481 + ... + 61228.

Almost surely, 2^222460666 is an apocalyptic number.

222460666 is a deficient number, since it is larger than the sum of its proper divisors (111589274).

222460666 is a wasteful number, since it uses less digits than its factorization.

222460666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119648.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 222460666 is about 14915.1153532247. The cubic root of 222460666 is about 605.9234273881.

The spelling of 222460666 in words is "two hundred twenty-two million, four hundred sixty thousand, six hundred sixty-six".