22540555403 has 4 divisors (see below), whose sum is σ = 22541849640. Its totient is φ = 22539261168.

The previous prime is 22540555379. The next prime is 22540555441. The reversal of 22540555403 is 30455504522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22540555403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22540555463) 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, 620633 + ... + 655946.

It is an arithmetic number, because the mean of its divisors is an integer number (5635462410).

Almost surely, 2^22540555403 is an apocalyptic number.

22540555403 is a deficient number, since it is larger than the sum of its proper divisors (1294237).

22540555403 is a wasteful number, since it uses less digits than its factorization.

22540555403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294236.

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 22540555403 in words is "twenty-two billion, five hundred forty million, five hundred fifty-five thousand, four hundred three".