622948973 has 2 divisors, whose sum is σ = 622948974. Its totient is φ = 622948972.

The previous prime is 622948943. The next prime is 622948993. The reversal of 622948973 is 379849226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477553609 + 145395364 = 21853^2 + 12058^2 .

It is a cyclic number.

It is not a de Polignac number, because 622948973 - 2⁸ = 622948717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622948903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311474486 + 311474487.

It is an arithmetic number, because the mean of its divisors is an integer number (311474487).

Almost surely, 2^622948973 is an apocalyptic number.

It is an amenable number.

622948973 is a deficient number, since it is larger than the sum of its proper divisors (1).

622948973 is an equidigital number, since it uses as much as digits as its factorization.

622948973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 622948973 is about 24958.9457509727. The cubic root of 622948973 is about 854.0516932549.

The spelling of 622948973 in words is "six hundred twenty-two million, nine hundred forty-eight thousand, nine hundred seventy-three".