22032140453 has 4 divisors (see below), whose sum is σ = 22045750560. Its totient is φ = 22018530348.

The previous prime is 22032140447. The next prime is 22032140527. The reversal of 22032140453 is 35404123022.

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: 35404123022 = 2 ⋅17702061511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22032140453 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 (22032140153) 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, 6802625 + ... + 6805862.

It is an arithmetic number, because the mean of its divisors is an integer number (5511437640).

Almost surely, 2^22032140453 is an apocalyptic number.

It is an amenable number.

22032140453 is a deficient number, since it is larger than the sum of its proper divisors (13610107).

22032140453 is a wasteful number, since it uses less digits than its factorization.

22032140453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610106.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 22032140453 its reverse (35404123022), we get a palindrome (57436263475).

The spelling of 22032140453 in words is "twenty-two billion, thirty-two million, one hundred forty thousand, four hundred fifty-three".