442463233 has 8 divisors (see below), whose sum is σ = 473756040. Its totient is φ = 411755520.

The previous prime is 442463207. The next prime is 442463291. The reversal of 442463233 is 332364244.

It can be written as a sum of positive squares in 4 ways, for example, as 189557824 + 252905409 = 13768^2 + 15903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442463233 - 2²¹ = 440366081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442463195 and 442463204.

It is not an unprimeable number, because it can be changed into a prime (442464233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144708 + ... + 147733.

It is an arithmetic number, because the mean of its divisors is an integer number (59219505).

Almost surely, 2^442463233 is an apocalyptic number.

It is an amenable number.

442463233 is a deficient number, since it is larger than the sum of its proper divisors (31292807).

442463233 is a wasteful number, since it uses less digits than its factorization.

442463233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292547.

The product of its digits is 41472, while the sum is 31.

The square root of 442463233 is about 21034.8100300431. The cubic root of 442463233 is about 762.0071787430.

The spelling of 442463233 in words is "four hundred forty-two million, four hundred sixty-three thousand, two hundred thirty-three".