2243521435003 has 4 divisors (see below), whose sum is σ = 2243543753248. Its totient is φ = 2243499116760.

The previous prime is 2243521434971. The next prime is 2243521435007. The reversal of 2243521435003 is 3005341253422.

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 2243521435003 - 2⁵ = 2243521434971 is a prime.

It is a super-2 number, since 2×2243521435003² (a number of 26 digits) contains 22 as substring.

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 2243521435003.

It is not an unprimeable number, because it can be changed into a prime (2243521435007) 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, 11007651 + ... + 11209612.

It is an arithmetic number, because the mean of its divisors is an integer number (560885938312).

Almost surely, 2^{2243521435003} is an apocalyptic number.

2243521435003 is a deficient number, since it is larger than the sum of its proper divisors (22318245).

2243521435003 is a wasteful number, since it uses less digits than its factorization.

2243521435003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22318244.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 2243521435003 its reverse (3005341253422), we get a palindrome (5248862688425).

The spelling of 2243521435003 in words is "two trillion, two hundred forty-three billion, five hundred twenty-one million, four hundred thirty-five thousand, three".