622502728 has 32 divisors (see below), whose sum is σ = 1219406400. Its totient is φ = 297360448.

The previous prime is 622502717. The next prime is 622502729. The reversal of 622502728 is 827205226.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 622502693 and 622502702.

It is not an unprimeable number, because it can be changed into a prime (622502729) 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, 212538 + ... + 215446.

It is an arithmetic number, because the mean of its divisors is an integer number (38106450).

Almost surely, 2^622502728 is an apocalyptic number.

It is an amenable number.

622502728 is a deficient number, since it is larger than the sum of its proper divisors (596903672).

622502728 is a wasteful number, since it uses less digits than its factorization.

622502728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101 (or 4097 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 622502728 is about 24950.0045691379. The cubic root of 622502728 is about 853.8477132855.

The spelling of 622502728 in words is "six hundred twenty-two million, five hundred two thousand, seven hundred twenty-eight".