442103422 has 16 divisors (see below), whose sum is σ = 677305152. Its totient is φ = 216355360.

The previous prime is 442103393. The next prime is 442103489. The reversal of 442103422 is 224301244.

It is a happy number.

It is a super-2 number, since 2×442103422² = 390910871488220168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442103393 and 442103402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40848 + ... + 50524.

It is an arithmetic number, because the mean of its divisors is an integer number (42331572).

Almost surely, 2^442103422 is an apocalyptic number.

442103422 is a deficient number, since it is larger than the sum of its proper divisors (235201730).

442103422 is a wasteful number, since it uses less digits than its factorization.

442103422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10163.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 442103422 is about 21026.2555392062. The cubic root of 442103422 is about 761.8005680397.

Adding to 442103422 its reverse (224301244), we get a palindrome (666404666).

The spelling of 442103422 in words is "four hundred forty-two million, one hundred three thousand, four hundred twenty-two".