442224224 has 24 divisors (see below), whose sum is σ = 937601280. Its totient is φ = 204103296.

The previous prime is 442224173. The next prime is 442224239. The reversal of 442224224 is 422422244.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 442224193 and 442224202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531104 + ... + 531935.

It is an arithmetic number, because the mean of its divisors is an integer number (39066720).

Almost surely, 2^442224224 is an apocalyptic number.

It is an amenable number.

442224224 is an abundant number, since it is smaller than the sum of its proper divisors (495377056).

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

442224224 is a wasteful number, since it uses less digits than its factorization.

442224224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063062 (or 1063054 counting only the distinct ones).

The product of its digits is 8192, while the sum is 26.

The square root of 442224224 is about 21029.1279895292. The cubic root of 442224224 is about 761.8699474707.

Adding to 442224224 its reverse (422422244), we get a palindrome (864646468).

The spelling of 442224224 in words is "four hundred forty-two million, two hundred twenty-four thousand, two hundred twenty-four".