1442522331 has 8 divisors (see below), whose sum is σ = 2137070160. Its totient is φ = 961681536.

The previous prime is 1442522317. The next prime is 1442522357. The reversal of 1442522331 is 1332252441.

1442522331 is a `hidden beast` number, since 1 + 4 + 425 + 2 + 233 + 1 = 666.

It is not a de Polignac number, because 1442522331 - 2⁷ = 1442522203 is a prime.

It is a super-2 number, since 2×1442522331² = 4161741350867347122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 53426753 = 1442522331 / (1 + 4 + 4 + 2 + 5 + 2 + 2 + 3 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1442522295 and 1442522304.

It is not an unprimeable number, because it can be changed into a prime (1442522231) by changing a digit.

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, 26713350 + ... + 26713403.

It is an arithmetic number, because the mean of its divisors is an integer number (267133770).

Almost surely, 2^1442522331 is an apocalyptic number.

1442522331 is a deficient number, since it is larger than the sum of its proper divisors (694547829).

1442522331 is an equidigital number, since it uses as much as digits as its factorization.

1442522331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53426762 (or 53426756 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1442522331 is about 37980.5520102065. The cubic root of 1442522331 is about 1129.9021846049.

Adding to 1442522331 its reverse (1332252441), we get a palindrome (2774774772).

The spelling of 1442522331 in words is "one billion, four hundred forty-two million, five hundred twenty-two thousand, three hundred thirty-one".