22426535304223 has 4 divisors (see below), whose sum is σ = 22426544903400. Its totient is φ = 22426525705048.

The previous prime is 22426535304221. The next prime is 22426535304253. The reversal of 22426535304223 is 32240353562422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22426535304223 - 2¹ = 22426535304221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22426535304223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426535304221) 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, 1228728 + ... + 6809026.

It is an arithmetic number, because the mean of its divisors is an integer number (5606636225850).

Almost surely, 2^{22426535304223} is an apocalyptic number.

22426535304223 is a deficient number, since it is larger than the sum of its proper divisors (9599177).

22426535304223 is an equidigital number, since it uses as much as digits as its factorization.

22426535304223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9599176.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 22426535304223 its reverse (32240353562422), we get a palindrome (54666888866645).

The spelling of 22426535304223 in words is "twenty-two trillion, four hundred twenty-six billion, five hundred thirty-five million, three hundred four thousand, two hundred twenty-three".