22320033231 has 8 divisors (see below), whose sum is σ = 29762881024. Its totient is φ = 14878603800.

The previous prime is 22320033157. The next prime is 22320033233. The reversal of 22320033231 is 13233002322.

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

It is not a de Polignac number, because 22320033231 - 2⁷ = 22320033103 is a prime.

It is a super-3 number, since 3×22320033231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22320033198 and 22320033207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320033233) 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, 317311 + ... + 381216.

It is an arithmetic number, because the mean of its divisors is an integer number (3720360128).

Almost surely, 2^22320033231 is an apocalyptic number.

22320033231 is a deficient number, since it is larger than the sum of its proper divisors (7442847793).

22320033231 is a wasteful number, since it uses less digits than its factorization.

22320033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709181.

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

Adding to 22320033231 its reverse (13233002322), we get a palindrome (35553035553).

The spelling of 22320033231 in words is "twenty-two billion, three hundred twenty million, thirty-three thousand, two hundred thirty-one".