222646222 has 8 divisors (see below), whose sum is σ = 334492272. Its totient is φ = 111148800.

The previous prime is 222646219. The next prime is 222646223.

222646222 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222646223) 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, 85554 + ... + 88117.

It is an arithmetic number, because the mean of its divisors is an integer number (41811534).

Almost surely, 2^222646222 is an apocalyptic number.

222646222 is a deficient number, since it is larger than the sum of its proper divisors (111846050).

222646222 is a wasteful number, since it uses less digits than its factorization.

222646222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174314.

The product of its digits is 9216, while the sum is 28.

The square root of 222646222 is about 14921.3344577487. The cubic root of 222646222 is about 606.0918488948.

The spelling of 222646222 in words is "two hundred twenty-two million, six hundred forty-six thousand, two hundred twenty-two".