22133125453 has 4 divisors (see below), whose sum is σ = 22135405500. Its totient is φ = 22130845408.

The previous prime is 22133125433. The next prime is 22133125457. The reversal of 22133125453 is 35452133122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14000332329 + 8132793124 = 118323^2 + 90182^2 .

It is a cyclic number.

It is not a de Polignac number, because 22133125453 - 2²¹ = 22131028301 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 (22133125457) 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, 1125400 + ... + 1144897.

It is an arithmetic number, because the mean of its divisors is an integer number (5533851375).

Almost surely, 2^22133125453 is an apocalyptic number.

It is an amenable number.

22133125453 is a deficient number, since it is larger than the sum of its proper divisors (2280047).

22133125453 is an equidigital number, since it uses as much as digits as its factorization.

22133125453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280046.

The product of its digits is 21600, while the sum is 31.

Adding to 22133125453 its reverse (35452133122), we get a palindrome (57585258575).

The spelling of 22133125453 in words is "twenty-two billion, one hundred thirty-three million, one hundred twenty-five thousand, four hundred fifty-three".