426622039 has 2 divisors, whose sum is σ = 426622040. Its totient is φ = 426622038.

The previous prime is 426622013. The next prime is 426622043. The reversal of 426622039 is 930226624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426622039 - 2⁹ = 426621527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426621995 and 426622013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426622139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213311019 + 213311020.

It is an arithmetic number, because the mean of its divisors is an integer number (213311020).

Almost surely, 2^426622039 is an apocalyptic number.

426622039 is a deficient number, since it is larger than the sum of its proper divisors (1).

426622039 is an equidigital number, since it uses as much as digits as its factorization.

426622039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 426622039 is about 20654.8308877124. The cubic root of 426622039 is about 752.8025745382.

The spelling of 426622039 in words is "four hundred twenty-six million, six hundred twenty-two thousand, thirty-nine".