22222450503 has 24 divisors (see below), whose sum is σ = 35153488656. Its totient is φ = 13415731200.

The previous prime is 22222450499. The next prime is 22222450517. The reversal of 22222450503 is 30505422222.

It is not a de Polignac number, because 22222450503 - 2² = 22222450499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222450553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411268 + ... + 462153.

It is an arithmetic number, because the mean of its divisors is an integer number (1464728694).

Almost surely, 2^22222450503 is an apocalyptic number.

22222450503 is a deficient number, since it is larger than the sum of its proper divisors (12931038153).

22222450503 is a wasteful number, since it uses less digits than its factorization.

22222450503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873695 (or 873692 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 22222450503 its reverse (30505422222), we get a palindrome (52727872725).

The spelling of 22222450503 in words is "twenty-two billion, two hundred twenty-two million, four hundred fifty thousand, five hundred three".