442200243 has 32 divisors (see below), whose sum is σ = 662135040. Its totient is φ = 260858880.

The previous prime is 442200233. The next prime is 442200251. The reversal of 442200243 is 342002244.

It is not a de Polignac number, because 442200243 - 2⁹ = 442199731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442200233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131088 + ... + 134418.

It is an arithmetic number, because the mean of its divisors is an integer number (20691720).

Almost surely, 2^442200243 is an apocalyptic number.

442200243 is a deficient number, since it is larger than the sum of its proper divisors (219934797).

442200243 is a wasteful number, since it uses less digits than its factorization.

442200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 442200243 is about 21028.5577964824. The cubic root of 442200243 is about 761.8561756234.

Adding to 442200243 its reverse (342002244), we get a palindrome (784202487).

The spelling of 442200243 in words is "four hundred forty-two million, two hundred thousand, two hundred forty-three".