622146928 has 20 divisors (see below), whose sum is σ = 1298133928. Its totient is φ = 287144640.

The previous prime is 622146911. The next prime is 622146937. The reversal of 622146928 is 829641226.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1495338 + ... + 1495753.

Almost surely, 2^622146928 is an apocalyptic number.

It is an amenable number.

622146928 is an abundant number, since it is smaller than the sum of its proper divisors (675987000).

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

622146928 is a wasteful number, since it uses less digits than its factorization.

622146928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991112 (or 2991106 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 622146928 is about 24942.8732907819. The cubic root of 622146928 is about 853.6850061458.

The spelling of 622146928 in words is "six hundred twenty-two million, one hundred forty-six thousand, nine hundred twenty-eight".