442226032 has 20 divisors (see below), whose sum is σ = 907214256. Its totient is φ = 208106240.

The previous prime is 442226023. The next prime is 442226033. The reversal of 442226032 is 230622244.

It is a junction number, because it is equal to n+sod(n) for n = 442225988 and 442226006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442226033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812644 + ... + 813187.

Almost surely, 2^442226032 is an apocalyptic number.

It is an amenable number.

442226032 is an abundant number, since it is smaller than the sum of its proper divisors (464988224).

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

442226032 is a wasteful number, since it uses less digits than its factorization.

442226032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625856 (or 1625850 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 442226032 is about 21029.1709774779. The cubic root of 442226032 is about 761.8709857517.

Adding to 442226032 its reverse (230622244), we get a palindrome (672848276).

The spelling of 442226032 in words is "four hundred forty-two million, two hundred twenty-six thousand, thirty-two".