222444806 has 8 divisors (see below), whose sum is σ = 334073160. Its totient is φ = 111087088.

The previous prime is 222444773. The next prime is 222444821. The reversal of 222444806 is 608444222.

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

It is a congruent number.

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, 65591 + ... + 68898.

It is an arithmetic number, because the mean of its divisors is an integer number (41759145).

Almost surely, 2^222444806 is an apocalyptic number.

222444806 is a deficient number, since it is larger than the sum of its proper divisors (111628354).

222444806 is a wasteful number, since it uses less digits than its factorization.

222444806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135318.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 222444806 is about 14914.5836683429. The cubic root of 222444806 is about 605.9090275781.

The spelling of 222444806 in words is "two hundred twenty-two million, four hundred forty-four thousand, eight hundred six".