622745433 has 12 divisors (see below), whose sum is σ = 921461268. Its totient is φ = 405037440.

The previous prime is 622745353. The next prime is 622745477. The reversal of 622745433 is 334547226.

It can be written as a sum of positive squares in 2 ways, for example, as 372219849 + 250525584 = 19293^2 + 15828^2 .

It is not a de Polignac number, because 622745433 - 2¹⁷ = 622614361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622745633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 843460 + ... + 844197.

It is an arithmetic number, because the mean of its divisors is an integer number (76788439).

Almost surely, 2^622745433 is an apocalyptic number.

It is an amenable number.

622745433 is a deficient number, since it is larger than the sum of its proper divisors (298715835).

622745433 is a wasteful number, since it uses less digits than its factorization.

622745433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687704 (or 1687701 counting only the distinct ones).

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

The square root of 622745433 is about 24954.8679219105. The cubic root of 622745433 is about 853.9586665785.

The spelling of 622745433 in words is "six hundred twenty-two million, seven hundred forty-five thousand, four hundred thirty-three".