22323033021 has 16 divisors (see below), whose sum is σ = 30329844480. Its totient is φ = 14600377920.

The previous prime is 22323032981. The next prime is 22323033053. The reversal of 22323033021 is 12033032322.

It is not a de Polignac number, because 22323033021 - 2⁹ = 22323032509 is a prime.

It is a super-3 number, since 3×22323033021³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323033221) 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, 85605 + ... + 227978.

It is an arithmetic number, because the mean of its divisors is an integer number (1895615280).

Almost surely, 2^22323033021 is an apocalyptic number.

It is an amenable number.

22323033021 is a deficient number, since it is larger than the sum of its proper divisors (8006811459).

22323033021 is a wasteful number, since it uses less digits than its factorization.

22323033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314036.

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

Adding to 22323033021 its reverse (12033032322), we get a palindrome (34356065343).

The spelling of 22323033021 in words is "twenty-two billion, three hundred twenty-three million, thirty-three thousand, twenty-one".