1442231235 has 48 divisors (see below), whose sum is σ = 2566020288. Its totient is φ = 749088000.

The previous prime is 1442231201. The next prime is 1442231239. The reversal of 1442231235 is 5321322441.

1442231235 is a `hidden beast` number, since 1 + 4 + 422 + 3 + 1 + 235 = 666.

It is not a de Polignac number, because 1442231235 - 2⁶ = 1442231171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442231199 and 1442231208.

It is not an unprimeable number, because it can be changed into a prime (1442231239) 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 47 ways as a sum of consecutive naturals, for example, 280185 + ... + 285285.

It is an arithmetic number, because the mean of its divisors is an integer number (53458756).

Almost surely, 2^1442231235 is an apocalyptic number.

1442231235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1442231235 is a deficient number, since it is larger than the sum of its proper divisors (1123789053).

1442231235 is a wasteful number, since it uses less digits than its factorization.

1442231235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276 (or 5273 counting only the distinct ones).

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

The square root of 1442231235 is about 37976.7196450668. The cubic root of 1442231235 is about 1129.8261760454.

Adding to 1442231235 its reverse (5321322441), we get a palindrome (6763553676).

The spelling of 1442231235 in words is "one billion, four hundred forty-two million, two hundred thirty-one thousand, two hundred thirty-five".