22243121503 has 8 divisors (see below), whose sum is σ = 22424783360. Its totient is φ = 22061561760.

The previous prime is 22243121477. The next prime is 22243121569. The reversal of 22243121503 is 30512134222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22243121503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243121573) 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, 447433 + ... + 494653.

It is an arithmetic number, because the mean of its divisors is an integer number (2803097920).

Almost surely, 2^22243121503 is an apocalyptic number.

22243121503 is a deficient number, since it is larger than the sum of its proper divisors (181661857).

22243121503 is a wasteful number, since it uses less digits than its factorization.

22243121503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51057.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 22243121503 its reverse (30512134222), we get a palindrome (52755255725).

The spelling of 22243121503 in words is "twenty-two billion, two hundred forty-three million, one hundred twenty-one thousand, five hundred three".