622742327 has 2 divisors, whose sum is σ = 622742328. Its totient is φ = 622742326.

The previous prime is 622742303. The next prime is 622742363. The reversal of 622742327 is 723247226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622742327 - 2¹⁰ = 622741303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622742387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311371163 + 311371164.

It is an arithmetic number, because the mean of its divisors is an integer number (311371164).

Almost surely, 2^622742327 is an apocalyptic number.

622742327 is a deficient number, since it is larger than the sum of its proper divisors (1).

622742327 is an equidigital number, since it uses as much as digits as its factorization.

622742327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 35.

The square root of 622742327 is about 24954.8056894859. The cubic root of 622742327 is about 853.9572468437.

The spelling of 622742327 in words is "six hundred twenty-two million, seven hundred forty-two thousand, three hundred twenty-seven".