23202221133 has 24 divisors (see below), whose sum is σ = 38755361568. Its totient is φ = 12238533216.

The previous prime is 23202221117. The next prime is 23202221143. The reversal of 23202221133 is 33112220232.

It is a happy number.

It is not a de Polignac number, because 23202221133 - 2⁴ = 23202221117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23202221143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6068791 + ... + 6072612.

It is an arithmetic number, because the mean of its divisors is an integer number (1614806732).

Almost surely, 2^23202221133 is an apocalyptic number.

It is an amenable number.

23202221133 is a deficient number, since it is larger than the sum of its proper divisors (15553140435).

23202221133 is a wasteful number, since it uses less digits than its factorization.

23202221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141433 (or 12141426 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23202221133 its reverse (33112220232), we get a palindrome (56314441365).

Subtracting 23202221133 from its reverse (33112220232), we obtain a palindrome (9909999099).

The spelling of 23202221133 in words is "twenty-three billion, two hundred two million, two hundred twenty-one thousand, one hundred thirty-three".