426633233 has 16 divisors (see below), whose sum is σ = 482321280. Its totient is φ = 376648272.

The previous prime is 426633227. The next prime is 426633269. The reversal of 426633233 is 332336624.

It is not a de Polignac number, because 426633233 - 2⁶ = 426633169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426633233.

It is not an unprimeable number, because it can be changed into a prime (426633283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46310 + ... + 54752.

It is an arithmetic number, because the mean of its divisors is an integer number (30145080).

Almost surely, 2^426633233 is an apocalyptic number.

It is an amenable number.

426633233 is a deficient number, since it is larger than the sum of its proper divisors (55688047).

426633233 is an equidigital number, since it uses as much as digits as its factorization.

426633233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505 (or 8479 counting only the distinct ones).

The product of its digits is 46656, while the sum is 32.

The square root of 426633233 is about 20655.1018637043. The cubic root of 426633233 is about 752.8091586631.

Adding to 426633233 its reverse (332336624), we get a palindrome (758969857).

The spelling of 426633233 in words is "four hundred twenty-six million, six hundred thirty-three thousand, two hundred thirty-three".