622474847 has 2 divisors, whose sum is σ = 622474848. Its totient is φ = 622474846.

The previous prime is 622474843. The next prime is 622474859. The reversal of 622474847 is 748474226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622474847 - 2² = 622474843 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 622474798 and 622474807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622474843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311237423 + 311237424.

It is an arithmetic number, because the mean of its divisors is an integer number (311237424).

Almost surely, 2^622474847 is an apocalyptic number.

622474847 is a deficient number, since it is larger than the sum of its proper divisors (1).

622474847 is an equidigital number, since it uses as much as digits as its factorization.

622474847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 44.

The square root of 622474847 is about 24949.4458255088. The cubic root of 622474847 is about 853.8349655590.

The spelling of 622474847 in words is "six hundred twenty-two million, four hundred seventy-four thousand, eight hundred forty-seven".