622242630 has 24 divisors (see below), whose sum is σ = 1617831072. Its totient is φ = 165931344.

The previous prime is 622242623. The next prime is 622242671. The reversal of 622242630 is 36242226.

622242630 is a `hidden beast` number, since 6 + 2 + 2 + 24 + 2 + 630 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 622242594 and 622242603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3456814 + ... + 3456993.

It is an arithmetic number, because the mean of its divisors is an integer number (67409628).

Almost surely, 2^622242630 is an apocalyptic number.

622242630 is an abundant number, since it is smaller than the sum of its proper divisors (995588442).

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

622242630 is a wasteful number, since it uses less digits than its factorization.

622242630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913820 (or 6913817 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 622242630 is about 24944.7916407414. The cubic root of 622242630 is about 853.7287767140.

Adding to 622242630 its reverse (36242226), we get a palindrome (658484856).

The spelling of 622242630 in words is "six hundred twenty-two million, two hundred forty-two thousand, six hundred thirty".