22233323021 has 16 divisors (see below), whose sum is σ = 27396265344. Its totient is φ = 17570516544.

The previous prime is 22233323009. The next prime is 22233323029. The reversal of 22233323021 is 12032333222.

It is not a de Polignac number, because 22233323021 - 2⁶ = 22233322957 is a prime.

It is a super-2 number, since 2×22233323021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233323029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65591 + ... + 220836.

It is an arithmetic number, because the mean of its divisors is an integer number (1712266584).

Almost surely, 2^22233323021 is an apocalyptic number.

It is an amenable number.

22233323021 is a deficient number, since it is larger than the sum of its proper divisors (5162942323).

22233323021 is a wasteful number, since it uses less digits than its factorization.

22233323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287300.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22233323021 its reverse (12032333222), we get a palindrome (34265656243).

The spelling of 22233323021 in words is "twenty-two billion, two hundred thirty-three million, three hundred twenty-three thousand, twenty-one".