1002002243 has 8 divisors (see below), whose sum is σ = 1128354816. Its totient is φ = 881526600.

The previous prime is 1002002233. The next prime is 1002002273. The reversal of 1002002243 is 3422002001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002002243 - 2⁶ = 1002002179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002002233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468871 + ... + 1469552.

It is an arithmetic number, because the mean of its divisors is an integer number (141044352).

Almost surely, 2^1002002243 is an apocalyptic number.

1002002243 is a deficient number, since it is larger than the sum of its proper divisors (126352573).

1002002243 is a wasteful number, since it uses less digits than its factorization.

1002002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938465.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1002002243 is about 31654.4190122011. The cubic root of 1002002243 is about 1000.6669693863. Note that the first 3 decimals are identical.

Adding to 1002002243 its reverse (3422002001), we get a palindrome (4424004244).

The spelling of 1002002243 in words is "one billion, two million, two thousand, two hundred forty-three".