22450250015543 has 4 divisors (see below), whose sum is σ = 25657428589200. Its totient is φ = 19243071441888.

The previous prime is 22450250015471. The next prime is 22450250015563. The reversal of 22450250015543 is 34551005205422.

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

It is not a de Polignac number, because 22450250015543 - 2⁸ = 22450250015287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22450250015497 and 22450250015506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450250015563) 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, 1603589286818 + ... + 1603589286831.

It is an arithmetic number, because the mean of its divisors is an integer number (6414357147300).

Almost surely, 2^{22450250015543} is an apocalyptic number.

22450250015543 is a deficient number, since it is larger than the sum of its proper divisors (3207178573657).

22450250015543 is an equidigital number, since it uses as much as digits as its factorization.

22450250015543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207178573656.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 22450250015543 in words is "twenty-two trillion, four hundred fifty billion, two hundred fifty million, fifteen thousand, five hundred forty-three".