254221122453 has 16 divisors (see below), whose sum is σ = 340631179200. Its totient is φ = 168646681856.

The previous prime is 254221122413. The next prime is 254221122457. The reversal of 254221122453 is 354221122452.

It is a cyclic number.

It is not a de Polignac number, because 254221122453 - 2²² = 254216928149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254221122457) 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, 1231501 + ... + 1423037.

It is an arithmetic number, because the mean of its divisors is an integer number (21289448700).

Almost surely, 2^254221122453 is an apocalyptic number.

It is an amenable number.

254221122453 is a deficient number, since it is larger than the sum of its proper divisors (86410056747).

254221122453 is a wasteful number, since it uses less digits than its factorization.

254221122453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193716.

The product of its digits is 38400, while the sum is 33.

Subtracting 254221122453 from its reverse (354221122452), we obtain a palindrome (99999999999).

The spelling of 254221122453 in words is "two hundred fifty-four billion, two hundred twenty-one million, one hundred twenty-two thousand, four hundred fifty-three".