22533216053 has 4 divisors (see below), whose sum is σ = 22535028780. Its totient is φ = 22531403328.

The previous prime is 22533216037. The next prime is 22533216059. The reversal of 22533216053 is 35061233522.

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 19642863409 + 2890352644 = 140153^2 + 53762^2 .

It is a cyclic number.

It is not a de Polignac number, because 22533216053 - 2⁴ = 22533216037 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 (22533216059) 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, 887588 + ... + 912621.

It is an arithmetic number, because the mean of its divisors is an integer number (5633757195).

Almost surely, 2^22533216053 is an apocalyptic number.

It is an amenable number.

22533216053 is a deficient number, since it is larger than the sum of its proper divisors (1812727).

22533216053 is a wasteful number, since it uses less digits than its factorization.

22533216053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812726.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 22533216053 its reverse (35061233522), we get a palindrome (57594449575).

The spelling of 22533216053 in words is "twenty-two billion, five hundred thirty-three million, two hundred sixteen thousand, fifty-three".