622306457 has 2 divisors, whose sum is σ = 622306458. Its totient is φ = 622306456.

The previous prime is 622306379. The next prime is 622306501. The reversal of 622306457 is 754603226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488233216 + 134073241 = 22096^2 + 11579^2 .

It is a cyclic number.

It is not a de Polignac number, because 622306457 - 2¹⁰ = 622305433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (622300457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311153228 + 311153229.

It is an arithmetic number, because the mean of its divisors is an integer number (311153229).

Almost surely, 2^622306457 is an apocalyptic number.

It is an amenable number.

622306457 is a deficient number, since it is larger than the sum of its proper divisors (1).

622306457 is an equidigital number, since it uses as much as digits as its factorization.

622306457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 622306457 is about 24946.0709732014. The cubic root of 622306457 is about 853.7579663372.

The spelling of 622306457 in words is "six hundred twenty-two million, three hundred six thousand, four hundred fifty-seven".