22005022453 has 4 divisors (see below), whose sum is σ = 22365760588. Its totient is φ = 21644284320.

The previous prime is 22005022441. The next prime is 22005022493. The reversal of 22005022453 is 35422050022.

It is a happy number.

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 4981818724 + 17023203729 = 70582^2 + 130473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22005022453 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 (22005022493) 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, 180368976 + ... + 180369097.

It is an arithmetic number, because the mean of its divisors is an integer number (5591440147).

Almost surely, 2^22005022453 is an apocalyptic number.

It is an amenable number.

22005022453 is a deficient number, since it is larger than the sum of its proper divisors (360738135).

22005022453 is an equidigital number, since it uses as much as digits as its factorization.

22005022453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360738134.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 22005022453 its reverse (35422050022), we get a palindrome (57427072475).

The spelling of 22005022453 in words is "twenty-two billion, five million, twenty-two thousand, four hundred fifty-three".