22132323021 has 16 divisors (see below), whose sum is σ = 30028921920. Its totient is φ = 14495619840.

The previous prime is 22132322969. The next prime is 22132323029. The reversal of 22132323021 is 12032323122.

It is a happy number.

It is not a de Polignac number, because 22132323021 - 2¹⁵ = 22132290253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132323029) 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, 246741 + ... + 324261.

It is an arithmetic number, because the mean of its divisors is an integer number (1876807620).

Almost surely, 2^22132323021 is an apocalyptic number.

It is an amenable number.

22132323021 is a deficient number, since it is larger than the sum of its proper divisors (7896598899).

22132323021 is a wasteful number, since it uses less digits than its factorization.

22132323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79196.

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

Adding to 22132323021 its reverse (12032323122), we get a palindrome (34164646143).

The spelling of 22132323021 in words is "twenty-two billion, one hundred thirty-two million, three hundred twenty-three thousand, twenty-one".