1002443022 has 24 divisors (see below), whose sum is σ = 2482240176. Its totient is φ = 286412256.

The previous prime is 1002443011. The next prime is 1002443027. The reversal of 1002443022 is 2203442001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1002442986 and 1002443004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002443027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3977823 + ... + 3978074.

It is an arithmetic number, because the mean of its divisors is an integer number (103426674).

Almost surely, 2^1002443022 is an apocalyptic number.

1002443022 is an abundant number, since it is smaller than the sum of its proper divisors (1479797154).

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

1002443022 is a wasteful number, since it uses less digits than its factorization.

1002443022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955912 (or 7955909 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1002443022 is about 31661.3806079267. The cubic root of 1002443022 is about 1000.8136784145.

Adding to 1002443022 its reverse (2203442001), we get a palindrome (3205885023).

The spelling of 1002443022 in words is "one billion, two million, four hundred forty-three thousand, twenty-two".