433221442 has 8 divisors (see below), whose sum is σ = 649932732. Its totient is φ = 216577200.

The previous prime is 433221407. The next prime is 433221449. The reversal of 433221442 is 244122334.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 408807961 + 24413481 = 20219^2 + 4941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (433221449) 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, 5092 + ... + 29872.

Almost surely, 2^433221442 is an apocalyptic number.

433221442 is a deficient number, since it is larger than the sum of its proper divisors (216711290).

433221442 is a wasteful number, since it uses less digits than its factorization.

433221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33524.

The product of its digits is 4608, while the sum is 25.

The square root of 433221442 is about 20813.9722782558. The cubic root of 433221442 is about 756.6644227025.

Adding to 433221442 its reverse (244122334), we get a palindrome (677343776).

The spelling of 433221442 in words is "four hundred thirty-three million, two hundred twenty-one thousand, four hundred forty-two".