22254605204523 has 4 divisors (see below), whose sum is σ = 29672806939368. Its totient is φ = 14836403469680.

The previous prime is 22254605204509. The next prime is 22254605204527. The reversal of 22254605204523 is 32540250645222.

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

It is a cyclic number.

It is not a de Polignac number, because 22254605204523 - 2⁹ = 22254605204011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22254605204527) 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, 3709100867418 + ... + 3709100867423.

It is an arithmetic number, because the mean of its divisors is an integer number (7418201734842).

Almost surely, 2^{22254605204523} is an apocalyptic number.

22254605204523 is a deficient number, since it is larger than the sum of its proper divisors (7418201734845).

22254605204523 is an equidigital number, since it uses as much as digits as its factorization.

22254605204523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7418201734844.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 22254605204523 its reverse (32540250645222), we get a palindrome (54794855849745).

The spelling of 22254605204523 in words is "twenty-two trillion, two hundred fifty-four billion, six hundred five million, two hundred four thousand, five hundred twenty-three".