222668522 has 8 divisors (see below), whose sum is σ = 334446276. Its totient is φ = 111186432.

The previous prime is 222668507. The next prime is 222668527. The reversal of 222668522 is 225866222.

It can be written as a sum of positive squares in 2 ways, for example, as 216413521 + 6255001 = 14711^2 + 2501^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222668527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72023 + ... + 75050.

Almost surely, 2^222668522 is an apocalyptic number.

222668522 is a deficient number, since it is larger than the sum of its proper divisors (111777754).

222668522 is a wasteful number, since it uses less digits than its factorization.

222668522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147832.

The product of its digits is 46080, while the sum is 35.

The square root of 222668522 is about 14922.0816912387. The cubic root of 222668522 is about 606.1120833829.

The spelling of 222668522 in words is "two hundred twenty-two million, six hundred sixty-eight thousand, five hundred twenty-two".