1002212443 has 4 divisors (see below), whose sum is σ = 1023536160. Its totient is φ = 980888728.

The previous prime is 1002212411. The next prime is 1002212447. The reversal of 1002212443 is 3442122001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002212443 - 2⁵ = 1002212411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002212443.

It is not an unprimeable number, because it can be changed into a prime (1002212447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10661788 + ... + 10661881.

It is an arithmetic number, because the mean of its divisors is an integer number (255884040).

Almost surely, 2^1002212443 is an apocalyptic number.

1002212443 is a deficient number, since it is larger than the sum of its proper divisors (21323717).

1002212443 is an equidigital number, since it uses as much as digits as its factorization.

1002212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21323716.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1002212443 is about 31657.7390696177. The cubic root of 1002212443 is about 1000.7369377893.

Adding to 1002212443 its reverse (3442122001), we get a palindrome (4444334444).

The spelling of 1002212443 in words is "one billion, two million, two hundred twelve thousand, four hundred forty-three".