420022233 has 16 divisors (see below), whose sum is σ = 625487040. Its totient is φ = 278560512.

The previous prime is 420022199. The next prime is 420022241. The reversal of 420022233 is 332220024.

It is not a de Polignac number, because 420022233 - 2²⁰ = 418973657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420022633) 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 15 ways as a sum of consecutive naturals, for example, 35091 + ... + 45512.

It is an arithmetic number, because the mean of its divisors is an integer number (39092940).

Almost surely, 2^420022233 is an apocalyptic number.

It is an amenable number.

420022233 is a deficient number, since it is larger than the sum of its proper divisors (205464807).

420022233 is a wasteful number, since it uses less digits than its factorization.

420022233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80805 (or 80799 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 420022233 is about 20494.4439543990. The cubic root of 420022233 is about 748.9004527823.

Adding to 420022233 its reverse (332220024), we get a palindrome (752242257).

The spelling of 420022233 in words is "four hundred twenty million, twenty-two thousand, two hundred thirty-three".