22421150543 has 16 divisors (see below), whose sum is σ = 24610884480. Its totient is φ = 20257020000.

The previous prime is 22421150539. The next prime is 22421150599. The reversal of 22421150543 is 34505112422.

It is a cyclic number.

It is not a de Polignac number, because 22421150543 - 2² = 22421150539 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 (22421152543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280693 + ... + 1298081.

It is an arithmetic number, because the mean of its divisors is an integer number (1538180280).

Almost surely, 2^22421150543 is an apocalyptic number.

22421150543 is a deficient number, since it is larger than the sum of its proper divisors (2189733937).

22421150543 is a wasteful number, since it uses less digits than its factorization.

22421150543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18118.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 22421150543 its reverse (34505112422), we get a palindrome (56926262965).

The spelling of 22421150543 in words is "twenty-two billion, four hundred twenty-one million, one hundred fifty thousand, five hundred forty-three".