662642222 has 12 divisors (see below), whose sum is σ = 1092538608. Its totient is φ = 301200900.

The previous prime is 662642177. The next prime is 662642249. The reversal of 662642222 is 222246266.

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 5 ways as a sum of consecutive naturals, for example, 1368854 + ... + 1369337.

It is an arithmetic number, because the mean of its divisors is an integer number (91044884).

Almost surely, 2^662642222 is an apocalyptic number.

662642222 is a deficient number, since it is larger than the sum of its proper divisors (429896386).

662642222 is a wasteful number, since it uses less digits than its factorization.

662642222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738215 (or 2738204 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 662642222 is about 25741.8379685678. The cubic root of 662642222 is about 871.8190775435.

Adding to 662642222 its reverse (222246266), we get a palindrome (884888488).

It can be divided in two parts, 66264 and 2222, that added together give a palindrome (68486).

The spelling of 662642222 in words is "six hundred sixty-two million, six hundred forty-two thousand, two hundred twenty-two".