622603345 has 32 divisors (see below), whose sum is σ = 931230720. Its totient is φ = 389076480.

The previous prime is 622603297. The next prime is 622603367. The reversal of 622603345 is 543306226.

It is a happy number.

It is not a de Polignac number, because 622603345 - 2⁷ = 622603217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27285 + ... + 44605.

It is an arithmetic number, because the mean of its divisors is an integer number (29100960).

Almost surely, 2^622603345 is an apocalyptic number.

622603345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

622603345 is a deficient number, since it is larger than the sum of its proper divisors (308627375).

622603345 is a wasteful number, since it uses less digits than its factorization.

622603345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17425.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 622603345 is about 24952.0208600426. The cubic root of 622603345 is about 853.8937141372.

The spelling of 622603345 in words is "six hundred twenty-two million, six hundred three thousand, three hundred forty-five".