222165622 has 32 divisors (see below), whose sum is σ = 404974080. Its totient is φ = 89232000.

The previous prime is 222165583. The next prime is 222165637. The reversal of 222165622 is 226561222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57879 + ... + 61597.

It is an arithmetic number, because the mean of its divisors is an integer number (12655440).

Almost surely, 2^222165622 is an apocalyptic number.

222165622 is a deficient number, since it is larger than the sum of its proper divisors (182808458).

222165622 is a wasteful number, since it uses less digits than its factorization.

222165622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996.

The product of its digits is 5760, while the sum is 28.

The square root of 222165622 is about 14905.2212999338. The cubic root of 222165622 is about 605.6554351961.

The spelling of 222165622 in words is "two hundred twenty-two million, one hundred sixty-five thousand, six hundred twenty-two".