433220238 has 40 divisors (see below), whose sum is σ = 1058987160. Its totient is φ = 131278320.

The previous prime is 433220233. The next prime is 433220239. The reversal of 433220238 is 832022334.

433220238 is a `hidden beast` number, since 433 + 220 + 2 + 3 + 8 = 666.

It is a super-2 number, since 2×433220238² = 375359549225553288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433220233) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119773 + ... + 123336.

It is an arithmetic number, because the mean of its divisors is an integer number (26474679).

Almost surely, 2^433220238 is an apocalyptic number.

433220238 is an abundant number, since it is smaller than the sum of its proper divisors (625766922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

433220238 is a wasteful number, since it uses less digits than its factorization.

433220238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243134 (or 243125 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 433220238 is about 20813.9433553568. The cubic root of 433220238 is about 756.6637217331.

The spelling of 433220238 in words is "four hundred thirty-three million, two hundred twenty thousand, two hundred thirty-eight".