622839404 has 24 divisors (see below), whose sum is σ = 1259003088. Its totient is φ = 266455040.

The previous prime is 622839331. The next prime is 622839443. The reversal of 622839404 is 404938226.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415589 + ... + 417084.

It is an arithmetic number, because the mean of its divisors is an integer number (52458462).

Almost surely, 2^622839404 is an apocalyptic number.

It is an amenable number.

622839404 is an abundant number, since it is smaller than the sum of its proper divisors (636163684).

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

622839404 is a wasteful number, since it uses less digits than its factorization.

622839404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832705 (or 832703 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 622839404 is about 24956.7506699089. The cubic root of 622839404 is about 854.0016179513.

The spelling of 622839404 in words is "six hundred twenty-two million, eight hundred thirty-nine thousand, four hundred four".