622125730 has 16 divisors (see below), whose sum is σ = 1120272120. Its totient is φ = 248751232.

The previous prime is 622125703. The next prime is 622125737. The reversal of 622125730 is 37521226.

It can be written as a sum of positive squares in 4 ways, for example, as 525830761 + 96294969 = 22931^2 + 9813^2 .

It is not an unprimeable number, because it can be changed into a prime (622125737) 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, 17406 + ... + 39334.

Almost surely, 2^622125730 is an apocalyptic number.

622125730 is a deficient number, since it is larger than the sum of its proper divisors (498146390).

622125730 is a wasteful number, since it uses less digits than its factorization.

622125730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24773.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 622125730 is about 24942.4483561658. The cubic root of 622125730 is about 853.6753103545.

Adding to 622125730 its reverse (37521226), we get a palindrome (659646956).

The spelling of 622125730 in words is "six hundred twenty-two million, one hundred twenty-five thousand, seven hundred thirty".