422429593 has 2 divisors, whose sum is σ = 422429594. Its totient is φ = 422429592.

The previous prime is 422429533. The next prime is 422429647. The reversal of 422429593 is 395924224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337199769 + 85229824 = 18363^2 + 9232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422429593 is a prime.

It is a super-2 number, since 2×422429593² = 356893522084291298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422429503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211214796 + 211214797.

It is an arithmetic number, because the mean of its divisors is an integer number (211214797).

Almost surely, 2^422429593 is an apocalyptic number.

It is an amenable number.

422429593 is a deficient number, since it is larger than the sum of its proper divisors (1).

422429593 is an equidigital number, since it uses as much as digits as its factorization.

422429593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 422429593 is about 20553.0920544817. The cubic root of 422429593 is about 750.3285037964.

The spelling of 422429593 in words is "four hundred twenty-two million, four hundred twenty-nine thousand, five hundred ninety-three".