622442146 has 8 divisors (see below), whose sum is σ = 974257344. Its totient is φ = 297689700.

The previous prime is 622442137. The next prime is 622442159. The reversal of 622442146 is 641244226.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6765630 + ... + 6765721.

It is an arithmetic number, because the mean of its divisors is an integer number (121782168).

Almost surely, 2^622442146 is an apocalyptic number.

622442146 is a deficient number, since it is larger than the sum of its proper divisors (351815198).

622442146 is a wasteful number, since it uses less digits than its factorization.

622442146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13531376.

The product of its digits is 18432, while the sum is 31.

The square root of 622442146 is about 24948.7904716842. The cubic root of 622442146 is about 853.8200135513.

The spelling of 622442146 in words is "six hundred twenty-two million, four hundred forty-two thousand, one hundred forty-six".