622375344 has 120 divisors (see below), whose sum is σ = 1816169472. Its totient is φ = 198737280.

The previous prime is 622375339. The next prime is 622375349. The reversal of 622375344 is 443573226.

It is an interprime number because it is at equal distance from previous prime (622375339) and next prime (622375349).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 622375299 and 622375308.

It is not an unprimeable number, because it can be changed into a prime (622375349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476997 + ... + 478299.

Almost surely, 2^622375344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622375344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908084736).

622375344 is an abundant number, since it is smaller than the sum of its proper divisors (1193794128).

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

622375344 is a wasteful number, since it uses less digits than its factorization.

622375344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1446 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 622375344 is about 24947.4516534254. The cubic root of 622375344 is about 853.7894677806.

The spelling of 622375344 in words is "six hundred twenty-two million, three hundred seventy-five thousand, three hundred forty-four".