622478506 has 16 divisors (see below), whose sum is σ = 1009132488. Its totient is φ = 286272000.

The previous prime is 622478501. The next prime is 622478531. The reversal of 622478506 is 605874226.

It can be written as a sum of positive squares in 4 ways, for example, as 510986025 + 111492481 = 22605^2 + 10559^2 .

It is not an unprimeable number, because it can be changed into a prime (622478501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35295 + ... + 49906.

Almost surely, 2^622478506 is an apocalyptic number.

622478506 is a deficient number, since it is larger than the sum of its proper divisors (386653982).

622478506 is a wasteful number, since it uses less digits than its factorization.

622478506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85497.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 622478506 is about 24949.5191536831. The cubic root of 622478506 is about 853.8366385455.

The spelling of 622478506 in words is "six hundred twenty-two million, four hundred seventy-eight thousand, five hundred six".