622772413 has 4 divisors (see below), whose sum is σ = 622897180. Its totient is φ = 622647648.

The previous prime is 622772401. The next prime is 622772431. The reversal of 622772413 is 314277226.

622772413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314277226 = 2 ⋅157138613.

It can be written as a sum of positive squares in 2 ways, for example, as 450585529 + 172186884 = 21227^2 + 13122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622772413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622773413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54570 + ... + 64987.

It is an arithmetic number, because the mean of its divisors is an integer number (155724295).

Almost surely, 2^622772413 is an apocalyptic number.

It is an amenable number.

622772413 is a deficient number, since it is larger than the sum of its proper divisors (124767).

622772413 is a wasteful number, since it uses less digits than its factorization.

622772413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124766.

The product of its digits is 28224, while the sum is 34.

The square root of 622772413 is about 24955.4084919482. The cubic root of 622772413 is about 853.9709987830.

The spelling of 622772413 in words is "six hundred twenty-two million, seven hundred seventy-two thousand, four hundred thirteen".