442204234 has 4 divisors (see below), whose sum is σ = 663306354. Its totient is φ = 221102116.

The previous prime is 442204211. The next prime is 442204241. The reversal of 442204234 is 432402244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 329313609 + 112890625 = 18147^2 + 10625^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442204199 and 442204208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110551057 + ... + 110551060.

Almost surely, 2^442204234 is an apocalyptic number.

442204234 is a deficient number, since it is larger than the sum of its proper divisors (221102120).

442204234 is a wasteful number, since it uses less digits than its factorization.

442204234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221102119.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 442204234 is about 21028.6526910309. The cubic root of 442204234 is about 761.8584676159.

Adding to 442204234 its reverse (432402244), we get a palindrome (874606478).

The spelling of 442204234 in words is "four hundred forty-two million, two hundred four thousand, two hundred thirty-four".