622646662 has 32 divisors (see below), whose sum is σ = 1066348800. Its totient is φ = 269908320.

The previous prime is 622646659. The next prime is 622646669. The reversal of 622646662 is 266646226.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622646669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187089 + ... + 190387.

It is an arithmetic number, because the mean of its divisors is an integer number (33323400).

Almost surely, 2^622646662 is an apocalyptic number.

622646662 is a deficient number, since it is larger than the sum of its proper divisors (443702138).

622646662 is a wasteful number, since it uses less digits than its factorization.

622646662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708.

The product of its digits is 248832, while the sum is 40.

The square root of 622646662 is about 24952.8888507924. Note that the first 4 decimals coincide. The cubic root of 622646662 is about 853.9135166094.

The spelling of 622646662 in words is "six hundred twenty-two million, six hundred forty-six thousand, six hundred sixty-two".