622628472 has 32 divisors (see below), whose sum is σ = 1558972800. Its totient is φ = 207222624.

The previous prime is 622628443. The next prime is 622628473. The reversal of 622628472 is 274826226.

It is a self number, because there is not a number n which added to its sum of digits gives 622628472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622628473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3868 + ... + 35499.

It is an arithmetic number, because the mean of its divisors is an integer number (48717900).

Almost surely, 2^622628472 is an apocalyptic number.

It is an amenable number.

622628472 is an abundant number, since it is smaller than the sum of its proper divisors (936344328).

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

622628472 is a wasteful number, since it uses less digits than its factorization.

622628472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40035 (or 40031 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 622628472 is about 24952.5243612746. The cubic root of 622628472 is about 853.9052011184.

The spelling of 622628472 in words is "six hundred twenty-two million, six hundred twenty-eight thousand, four hundred seventy-two".