22331021324 has 24 divisors (see below), whose sum is σ = 39588111360. Its totient is φ = 11020233744.

The previous prime is 22331021303. The next prime is 22331021327. The reversal of 22331021324 is 42312013322.

It is a self number, because there is not a number n which added to its sum of digits gives 22331021324.

It is not an unprimeable number, because it can be changed into a prime (22331021327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001117 + ... + 1023179.

It is an arithmetic number, because the mean of its divisors is an integer number (1649504640).

Almost surely, 2^22331021324 is an apocalyptic number.

It is an amenable number.

22331021324 is a deficient number, since it is larger than the sum of its proper divisors (17257090036).

22331021324 is a wasteful number, since it uses less digits than its factorization.

22331021324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349 (or 25347 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22331021324 its reverse (42312013322), we get a palindrome (64643034646).

The spelling of 22331021324 in words is "twenty-two billion, three hundred thirty-one million, twenty-one thousand, three hundred twenty-four".