622374239 has 2 divisors, whose sum is σ = 622374240. Its totient is φ = 622374238.

The previous prime is 622374209. The next prime is 622374253. The reversal of 622374239 is 932473226.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622374239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622374209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311187119 + 311187120.

It is an arithmetic number, because the mean of its divisors is an integer number (311187120).

Almost surely, 2^622374239 is an apocalyptic number.

622374239 is a deficient number, since it is larger than the sum of its proper divisors (1).

622374239 is an equidigital number, since it uses as much as digits as its factorization.

622374239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The square root of 622374239 is about 24947.4295068650. The cubic root of 622374239 is about 853.7889624918.

The spelling of 622374239 in words is "six hundred twenty-two million, three hundred seventy-four thousand, two hundred thirty-nine".