22021563010533 has 32 divisors (see below), whose sum is σ = 30182732334720. Its totient is φ = 14276250439680.

The previous prime is 22021563010519. The next prime is 22021563010543. The reversal of 22021563010533 is 33501036512022.

It is a de Polignac number, because none of the positive numbers 2^k-22021563010533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22021563010494 and 22021563010503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021563010543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33965353 + ... + 34607633.

It is an arithmetic number, because the mean of its divisors is an integer number (943210385460).

Almost surely, 2^{22021563010533} is an apocalyptic number.

It is an amenable number.

22021563010533 is a deficient number, since it is larger than the sum of its proper divisors (8161169324187).

22021563010533 is a wasteful number, since it uses less digits than its factorization.

22021563010533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644437.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 22021563010533 its reverse (33501036512022), we get a palindrome (55522599522555).

The spelling of 22021563010533 in words is "twenty-two trillion, twenty-one billion, five hundred sixty-three million, ten thousand, five hundred thirty-three".