22016233231 has 8 divisors (see below), whose sum is σ = 23751142704. Its totient is φ = 20330194560.

The previous prime is 22016233199. The next prime is 22016233243. The reversal of 22016233231 is 13233261022.

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 22016233231 - 2⁵ = 22016233199 is a prime.

It is a super-2 number, since 2×22016233231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22016233196 and 22016233205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22016233271) 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, 12216765 + ... + 12218566.

It is an arithmetic number, because the mean of its divisors is an integer number (2968892838).

Almost surely, 2^22016233231 is an apocalyptic number.

22016233231 is a deficient number, since it is larger than the sum of its proper divisors (1734909473).

22016233231 is a wasteful number, since it uses less digits than its factorization.

22016233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24435401.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22016233231 its reverse (13233261022), we get a palindrome (35249494253).

The spelling of 22016233231 in words is "twenty-two billion, sixteen million, two hundred thirty-three thousand, two hundred thirty-one".