622474745 has 4 divisors (see below), whose sum is σ = 746969700. Its totient is φ = 497979792.

The previous prime is 622474663. The next prime is 622474759. The reversal of 622474745 is 547474226.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390339049 + 232135696 = 19757^2 + 15236^2 .

It is a cyclic number.

It is not a de Polignac number, because 622474745 - 2¹⁸ = 622212601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62247470 + ... + 62247479.

It is an arithmetic number, because the mean of its divisors is an integer number (186742425).

Almost surely, 2^622474745 is an apocalyptic number.

It is an amenable number.

622474745 is a deficient number, since it is larger than the sum of its proper divisors (124494955).

622474745 is a wasteful number, since it uses less digits than its factorization.

622474745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124494954.

The product of its digits is 376320, while the sum is 41.

The square root of 622474745 is about 24949.4437813752. The cubic root of 622474745 is about 853.8349189220.

The spelling of 622474745 in words is "six hundred twenty-two million, four hundred seventy-four thousand, seven hundred forty-five".