222165662 has 4 divisors (see below), whose sum is σ = 333248496. Its totient is φ = 111082830.

The previous prime is 222165659. The next prime is 222165667. The reversal of 222165662 is 266561222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222165667) by changing a digit.

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 as a sum of consecutive naturals, namely, 55541414 + ... + 55541417.

It is an arithmetic number, because the mean of its divisors is an integer number (83312124).

Almost surely, 2^222165662 is an apocalyptic number.

222165662 is a deficient number, since it is larger than the sum of its proper divisors (111082834).

222165662 is a wasteful number, since it uses less digits than its factorization.

222165662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111082833.

The product of its digits is 17280, while the sum is 32.

The square root of 222165662 is about 14905.2226417454. Note that the first 3 decimals coincide. The cubic root of 222165662 is about 605.6554715447.

The spelling of 222165662 in words is "two hundred twenty-two million, one hundred sixty-five thousand, six hundred sixty-two".