22021223130045 has 96 divisors (see below), whose sum is σ = 39902471092224. Its totient is φ = 11213505072000.

The previous prime is 22021223130017. The next prime is 22021223130047. The reversal of 22021223130045 is 54003132212022.

22021223130045 is a `hidden beast` number, since 2 + 202 + 122 + 31 + 300 + 4 + 5 = 666.

22021223130045 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 22021223130045 - 2²⁹ = 22020686259133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021223130047) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1567228270 + ... + 1567242320.

It is an arithmetic number, because the mean of its divisors is an integer number (415650740544).

Almost surely, 2^{22021223130045} is an apocalyptic number.

It is an amenable number.

22021223130045 is a deficient number, since it is larger than the sum of its proper divisors (17881247962179).

22021223130045 is a wasteful number, since it uses less digits than its factorization.

22021223130045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16743 (or 16740 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 22021223130045 its reverse (54003132212022), we get a palindrome (76024355342067).

The spelling of 22021223130045 in words is "twenty-two trillion, twenty-one billion, two hundred twenty-three million, one hundred thirty thousand, forty-five".