622740705 has 16 divisors (see below), whose sum is σ = 996698304. Its totient is φ = 332024000.

The previous prime is 622740697. The next prime is 622740707. The reversal of 622740705 is 507047226.

It is not a de Polignac number, because 622740705 - 2³ = 622740697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622740707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78742 + ... + 86288.

It is an arithmetic number, because the mean of its divisors is an integer number (62293644).

Almost surely, 2^622740705 is an apocalyptic number.

It is an amenable number.

622740705 is a deficient number, since it is larger than the sum of its proper divisors (373957599).

622740705 is a wasteful number, since it uses less digits than its factorization.

622740705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 622740705 is about 24954.7731907144. The cubic root of 622740705 is about 853.9565054349.

The spelling of 622740705 in words is "six hundred twenty-two million, seven hundred forty thousand, seven hundred five".