22010204233 has 4 divisors (see below), whose sum is σ = 22048887060. Its totient is φ = 21971521408.

The previous prime is 22010204221. The next prime is 22010204311. The reversal of 22010204233 is 33240201022.

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 3152597904 + 18857606329 = 56148^2 + 137323^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010204233 - 2¹³ = 22010196041 is a prime.

It is a super-2 number, since 2×22010204233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22010204233.

It is not an unprimeable number, because it can be changed into a prime (22010204533) 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, 19340560 + ... + 19341697.

It is an arithmetic number, because the mean of its divisors is an integer number (5512221765).

Almost surely, 2^22010204233 is an apocalyptic number.

It is an amenable number.

22010204233 is a deficient number, since it is larger than the sum of its proper divisors (38682827).

22010204233 is an equidigital number, since it uses as much as digits as its factorization.

22010204233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38682826.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22010204233 its reverse (33240201022), we get a palindrome (55250405255).

The spelling of 22010204233 in words is "twenty-two billion, ten million, two hundred four thousand, two hundred thirty-three".