622616346 has 24 divisors (see below), whose sum is σ = 1471639104. Its totient is φ = 188671560.

The previous prime is 622616303. The next prime is 622616383. The reversal of 622616346 is 643616226.

622616346 is a `hidden beast` number, since 6 + 2 + 2 + 616 + 34 + 6 = 666.

622616346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×622616346² = 775302228612783432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 622616346.

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, 1572066 + ... + 1572461.

It is an arithmetic number, because the mean of its divisors is an integer number (61318296).

Almost surely, 2^622616346 is an apocalyptic number.

622616346 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

622616346 is an abundant number, since it is smaller than the sum of its proper divisors (849022758).

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

622616346 is a wasteful number, since it uses less digits than its factorization.

622616346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144546 (or 3144543 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 622616346 is about 24952.2813786636. The cubic root of 622616346 is about 853.8996576725.

The spelling of 622616346 in words is "six hundred twenty-two million, six hundred sixteen thousand, three hundred forty-six".