442227432 has 32 divisors (see below), whose sum is σ = 1163757600. Its totient is φ = 139650624.

The previous prime is 442227407. The next prime is 442227439. The reversal of 442227432 is 234722244.

It is a super-2 number, since 2×442227432² = 391130203226629248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442227432.

It is not an unprimeable number, because it can be changed into a prime (442227439) 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 7 ways as a sum of consecutive naturals, for example, 484443 + ... + 485354.

It is an arithmetic number, because the mean of its divisors is an integer number (36367425).

Almost surely, 2^442227432 is an apocalyptic number.

It is an amenable number.

442227432 is an abundant number, since it is smaller than the sum of its proper divisors (721530168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442227432 is a wasteful number, since it uses less digits than its factorization.

442227432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969825 (or 969821 counting only the distinct ones).

The product of its digits is 21504, while the sum is 30.

The square root of 442227432 is about 21029.2042645460. The cubic root of 442227432 is about 761.8717897284.

Adding to 442227432 its reverse (234722244), we get a palindrome (676949676).

The spelling of 442227432 in words is "four hundred forty-two million, two hundred twenty-seven thousand, four hundred thirty-two".