222323638 has 8 divisors (see below), whose sum is σ = 333590832. Its totient is φ = 111126696.

The previous prime is 222323627. The next prime is 222323659. The reversal of 222323638 is 836323222.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8770 + ... + 22837.

It is an arithmetic number, because the mean of its divisors is an integer number (41698854).

Almost surely, 2^222323638 is an apocalyptic number.

222323638 is a deficient number, since it is larger than the sum of its proper divisors (111267194).

222323638 is a wasteful number, since it uses less digits than its factorization.

222323638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35126.

The product of its digits is 20736, while the sum is 31.

The square root of 222323638 is about 14910.5210505871. The cubic root of 222323638 is about 605.7989926130.

The spelling of 222323638 in words is "two hundred twenty-two million, three hundred twenty-three thousand, six hundred thirty-eight".