1005022322 has 4 divisors (see below), whose sum is σ = 1507533486. Its totient is φ = 502511160.

The previous prime is 1005022321. The next prime is 1005022331. The reversal of 1005022322 is 2232205001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1001026321 + 3996001 = 31639^2 + 1999^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1005022322.

It is not an unprimeable number, because it can be changed into a prime (1005022321) 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 as a sum of consecutive naturals, namely, 251255579 + ... + 251255582.

Almost surely, 2^1005022322 is an apocalyptic number.

1005022322 is a deficient number, since it is larger than the sum of its proper divisors (502511164).

1005022322 is an equidigital number, since it uses as much as digits as its factorization.

1005022322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502511163.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1005022322 is about 31702.0870290901. The cubic root of 1005022322 is about 1001.6713124917.

Adding to 1005022322 its reverse (2232205001), we get a palindrome (3237227323).

The spelling of 1005022322 in words is "one billion, five million, twenty-two thousand, three hundred twenty-two".