422809833 has 4 divisors (see below), whose sum is σ = 563746448. Its totient is φ = 281873220.

The previous prime is 422809823. The next prime is 422809843. The reversal of 422809833 is 338908224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (422809823) and next prime (422809843).

It is not a de Polignac number, because 422809833 - 2⁶ = 422809769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422809791 and 422809800.

It is not an unprimeable number, because it can be changed into a prime (422809823) 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, 70468303 + ... + 70468308.

It is an arithmetic number, because the mean of its divisors is an integer number (140936612).

Almost surely, 2^422809833 is an apocalyptic number.

It is an amenable number.

422809833 is a deficient number, since it is larger than the sum of its proper divisors (140936615).

422809833 is a wasteful number, since it uses less digits than its factorization.

422809833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140936614.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 422809833 is about 20562.3401635125. The cubic root of 422809833 is about 750.5535664295.

The spelling of 422809833 in words is "four hundred twenty-two million, eight hundred nine thousand, eight hundred thirty-three".