22012033323 has 16 divisors (see below), whose sum is σ = 33565501440. Its totient is φ = 12569546496.

The previous prime is 22012033297. The next prime is 22012033331. The reversal of 22012033323 is 32333021022.

It is not a de Polignac number, because 22012033323 - 2²⁸ = 21743597867 is a prime.

It is a super-2 number, since 2×22012033323² (a number of 21 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22012033323.

It is not an unprimeable number, because it can be changed into a prime (22012033423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333990 + ... + 394427.

It is an arithmetic number, because the mean of its divisors is an integer number (2097843840).

Almost surely, 2^22012033323 is an apocalyptic number.

22012033323 is a deficient number, since it is larger than the sum of its proper divisors (11553468117).

22012033323 is a wasteful number, since it uses less digits than its factorization.

22012033323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729866.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22012033323 its reverse (32333021022), we get a palindrome (54345054345).

The spelling of 22012033323 in words is "twenty-two billion, twelve million, thirty-three thousand, three hundred twenty-three".