22032123231 has 8 divisors (see below), whose sum is σ = 29387059200. Its totient is φ = 14682634712.

The previous prime is 22032123221. The next prime is 22032123259. The reversal of 22032123231 is 13232123022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22032123231 - 2¹⁷ = 22031992159 is a prime.

It is a super-2 number, since 2×22032123231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22032123198 and 22032123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22032123221) 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, 1352415 + ... + 1368608.

It is an arithmetic number, because the mean of its divisors is an integer number (3673382400).

Almost surely, 2^22032123231 is an apocalyptic number.

22032123231 is a deficient number, since it is larger than the sum of its proper divisors (7354935969).

22032123231 is a wasteful number, since it uses less digits than its factorization.

22032123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723725.

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

Adding to 22032123231 its reverse (13232123022), we get a palindrome (35264246253).

The spelling of 22032123231 in words is "twenty-two billion, thirty-two million, one hundred twenty-three thousand, two hundred thirty-one".