422329943 has 4 divisors (see below), whose sum is σ = 482662800. Its totient is φ = 361997088.

The previous prime is 422329931. The next prime is 422329993. The reversal of 422329943 is 349923224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422329943 - 2¹⁴ = 422313559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422329897 and 422329906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422329993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30166418 + ... + 30166431.

It is an arithmetic number, because the mean of its divisors is an integer number (120665700).

Almost surely, 2^422329943 is an apocalyptic number.

422329943 is a deficient number, since it is larger than the sum of its proper divisors (60332857).

422329943 is an equidigital number, since it uses as much as digits as its factorization.

422329943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60332856.

The product of its digits is 93312, while the sum is 38.

The square root of 422329943 is about 20550.6677020480. The cubic root of 422329943 is about 750.2694990006.

The spelling of 422329943 in words is "four hundred twenty-two million, three hundred twenty-nine thousand, nine hundred forty-three".