622951853 has 2 divisors, whose sum is σ = 622951854. Its totient is φ = 622951852.

The previous prime is 622951811. The next prime is 622951897. The reversal of 622951853 is 358159226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351262564 + 271689289 = 18742^2 + 16483^2 .

It is a cyclic number.

It is not a de Polignac number, because 622951853 - 2⁸ = 622951597 is a prime.

It is a super-2 number, since 2×622951853² = 776138022312267218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622951853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622953853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311475926 + 311475927.

It is an arithmetic number, because the mean of its divisors is an integer number (311475927).

Almost surely, 2^622951853 is an apocalyptic number.

It is an amenable number.

622951853 is a deficient number, since it is larger than the sum of its proper divisors (1).

622951853 is an equidigital number, since it uses as much as digits as its factorization.

622951853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 622951853 is about 24959.0034456506. The cubic root of 622951853 is about 854.0530093954.

The spelling of 622951853 in words is "six hundred twenty-two million, nine hundred fifty-one thousand, eight hundred fifty-three".