622146666 has 16 divisors (see below), whose sum is σ = 1244978784. Its totient is φ = 207267984.

The previous prime is 622146653. The next prime is 622146667. The reversal of 622146666 is 666641226.

It is not an unprimeable number, because it can be changed into a prime (622146667) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16360 + ... + 38883.

It is an arithmetic number, because the mean of its divisors is an integer number (77811174).

Almost surely, 2^622146666 is an apocalyptic number.

622146666 is an abundant number, since it is smaller than the sum of its proper divisors (622832118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622146666 is a wasteful number, since it uses less digits than its factorization.

622146666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57125.

The product of its digits is 124416, while the sum is 39.

The square root of 622146666 is about 24942.8680387801. The cubic root of 622146666 is about 853.6848863105.

The spelling of 622146666 in words is "six hundred twenty-two million, one hundred forty-six thousand, six hundred sixty-six".