1002443422 has 4 divisors (see below), whose sum is σ = 1503665136. Its totient is φ = 501221710.

The previous prime is 1002443417. The next prime is 1002443423. The reversal of 1002443422 is 2243442001.

It is a happy number.

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

It is a super-2 number, since 2×1002443422² = 2009785628622140168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1002443393 and 1002443402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002443423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250610854 + ... + 250610857.

It is an arithmetic number, because the mean of its divisors is an integer number (375916284).

Almost surely, 2^1002443422 is an apocalyptic number.

1002443422 is a deficient number, since it is larger than the sum of its proper divisors (501221714).

1002443422 is an equidigital number, since it uses as much as digits as its factorization.

1002443422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501221713.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1002443422 is about 31661.3869247701. The cubic root of 1002443422 is about 1000.8138115311.

Adding to 1002443422 its reverse (2243442001), we get a palindrome (3245885423).

The spelling of 1002443422 in words is "one billion, two million, four hundred forty-three thousand, four hundred twenty-two".