442203422 has 16 divisors (see below), whose sum is σ = 704462832. Its totient is φ = 207461760.

The previous prime is 442203373. The next prime is 442203431. The reversal of 442203422 is 224302244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8393 + ... + 30900.

It is an arithmetic number, because the mean of its divisors is an integer number (44028927).

Almost surely, 2^442203422 is an apocalyptic number.

442203422 is a deficient number, since it is larger than the sum of its proper divisors (262259410).

442203422 is a wasteful number, since it uses less digits than its factorization.

442203422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39643.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 442203422 is about 21028.6333840314. The cubic root of 442203422 is about 761.8580012933.

Adding to 442203422 its reverse (224302244), we get a palindrome (666505666).

The spelling of 442203422 in words is "four hundred forty-two million, two hundred three thousand, four hundred twenty-two".