622372161 has 16 divisors (see below), whose sum is σ = 859944960. Its totient is φ = 399907200.

The previous prime is 622372133. The next prime is 622372183. The reversal of 622372161 is 161273226.

It is not a de Polignac number, because 622372161 - 2¹¹ = 622370113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622372561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46336 + ... + 58238.

It is an arithmetic number, because the mean of its divisors is an integer number (53746560).

Almost surely, 2^622372161 is an apocalyptic number.

It is an amenable number.

622372161 is a deficient number, since it is larger than the sum of its proper divisors (237572799).

622372161 is a wasteful number, since it uses less digits than its factorization.

622372161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536.

The product of its digits is 6048, while the sum is 30.

The square root of 622372161 is about 24947.3878592529. The cubic root of 622372161 is about 853.7880122728.

The spelling of 622372161 in words is "six hundred twenty-two million, three hundred seventy-two thousand, one hundred sixty-one".