442233401 has 4 divisors (see below), whose sum is σ = 442796112. Its totient is φ = 441670692.

The previous prime is 442233391. The next prime is 442233403. The reversal of 442233401 is 104332244.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442233401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442233403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280175 + ... + 281748.

It is an arithmetic number, because the mean of its divisors is an integer number (110699028).

Almost surely, 2^442233401 is an apocalyptic number.

It is an amenable number.

442233401 is a deficient number, since it is larger than the sum of its proper divisors (562711).

442233401 is an equidigital number, since it uses as much as digits as its factorization.

442233401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562710.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442233401 is about 21029.3461857472. The cubic root of 442233401 is about 761.8752175213.

Adding to 442233401 its reverse (104332244), we get a palindrome (546565645).

The spelling of 442233401 in words is "four hundred forty-two million, two hundred thirty-three thousand, four hundred one".