865322442 has 24 divisors (see below), whose sum is σ = 1892070180. Its totient is φ = 285793920.

The previous prime is 865322429. The next prime is 865322459. The reversal of 865322442 is 244223568.

865322442 is a `hidden beast` number, since 86 + 532 + 2 + 4 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 803212281 + 62110161 = 28341^2 + 7881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 865322397 and 865322406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218559 + ... + 222482.

Almost surely, 2^865322442 is an apocalyptic number.

865322442 is an abundant number, since it is smaller than the sum of its proper divisors (1026747738).

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

865322442 is a wasteful number, since it uses less digits than its factorization.

865322442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441158 (or 441155 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 865322442 is about 29416.3635074086. The cubic root of 865322442 is about 952.9263199989.

The spelling of 865322442 in words is "eight hundred sixty-five million, three hundred twenty-two thousand, four hundred forty-two".