622484740 has 12 divisors (see below), whose sum is σ = 1307217996. Its totient is φ = 248993888.

The previous prime is 622484729. The next prime is 622484749. The reversal of 622484740 is 47484226.

It can be written as a sum of positive squares in 2 ways, for example, as 409091076 + 213393664 = 20226^2 + 14608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622484740.

It is not an unprimeable number, because it can be changed into a prime (622484749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15562099 + ... + 15562138.

It is an arithmetic number, because the mean of its divisors is an integer number (108934833).

Almost surely, 2^622484740 is an apocalyptic number.

It is an amenable number.

622484740 is an abundant number, since it is smaller than the sum of its proper divisors (684733256).

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

622484740 is a wasteful number, since it uses less digits than its factorization.

622484740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31124246 (or 31124244 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 622484740 is about 24949.6440856378. The cubic root of 622484740 is about 853.8394888714.

The spelling of 622484740 in words is "six hundred twenty-two million, four hundred eighty-four thousand, seven hundred forty".