1005243822 has 48 divisors (see below), whose sum is σ = 2434002480. Its totient is φ = 297187200.

The previous prime is 1005243817. The next prime is 1005243823. The reversal of 1005243822 is 2283425001.

1005243822 is a `hidden beast` number, since 100 + 524 + 38 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005243823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53797 + ... + 70032.

It is an arithmetic number, because the mean of its divisors is an integer number (50708385).

Almost surely, 2^1005243822 is an apocalyptic number.

1005243822 is an abundant number, since it is smaller than the sum of its proper divisors (1428758658).

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

1005243822 is a wasteful number, since it uses less digits than its factorization.

1005243822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123889 (or 123886 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1005243822 is about 31705.5802974808. The cubic root of 1005243822 is about 1001.7448942399.

Adding to 1005243822 its reverse (2283425001), we get a palindrome (3288668823).

The spelling of 1005243822 in words is "one billion, five million, two hundred forty-three thousand, eight hundred twenty-two".