22134221453 has 4 divisors (see below), whose sum is σ = 22135971168. Its totient is φ = 22132471740.

The previous prime is 22134221441. The next prime is 22134221497. The reversal of 22134221453 is 35412243122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35412243122 = 2 ⋅17706121561.

It is a cyclic number.

It is not a de Polignac number, because 22134221453 - 2²⁶ = 22067112589 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 (22134251453) 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, 855743 + ... + 881228.

It is an arithmetic number, because the mean of its divisors is an integer number (5533992792).

Almost surely, 2^22134221453 is an apocalyptic number.

It is an amenable number.

22134221453 is a deficient number, since it is larger than the sum of its proper divisors (1749715).

22134221453 is a wasteful number, since it uses less digits than its factorization.

22134221453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749714.

The product of its digits is 11520, while the sum is 29.

Adding to 22134221453 its reverse (35412243122), we get a palindrome (57546464575).

The spelling of 22134221453 in words is "twenty-two billion, one hundred thirty-four million, two hundred twenty-one thousand, four hundred fifty-three".