422946829 has 4 divisors (see below), whose sum is σ = 422999676. Its totient is φ = 422893984.

The previous prime is 422946827. The next prime is 422946833. The reversal of 422946829 is 928649224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 283754025 + 139192804 = 16845^2 + 11798^2 .

It is a cyclic number.

It is not a de Polignac number, because 422946829 - 2¹ = 422946827 is a prime.

It is a super-2 number, since 2×422946829² = 357768040322310482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422946827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11674 + ... + 31339.

It is an arithmetic number, because the mean of its divisors is an integer number (105749919).

Almost surely, 2^422946829 is an apocalyptic number.

It is an amenable number.

422946829 is a deficient number, since it is larger than the sum of its proper divisors (52847).

422946829 is an equidigital number, since it uses as much as digits as its factorization.

422946829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52846.

The product of its digits is 497664, while the sum is 46.

The square root of 422946829 is about 20565.6711293359. The cubic root of 422946829 is about 750.6346207831.

The spelling of 422946829 in words is "four hundred twenty-two million, nine hundred forty-six thousand, eight hundred twenty-nine".