22321000231 has 2 divisors, whose sum is σ = 22321000232. Its totient is φ = 22321000230.

The previous prime is 22321000193. The next prime is 22321000309. The reversal of 22321000231 is 13200012322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22321000231 - 2³³ = 13731065639 is a prime.

It is a super-3 number, since 3×22321000231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22321000531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160500115 + 11160500116.

It is an arithmetic number, because the mean of its divisors is an integer number (11160500116).

Almost surely, 2^22321000231 is an apocalyptic number.

22321000231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321000231 is an equidigital number, since it uses as much as digits as its factorization.

22321000231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22321000231 its reverse (13200012322), we get a palindrome (35521012553).

The spelling of 22321000231 in words is "twenty-two billion, three hundred twenty-one million, two hundred thirty-one", and thus it is an aban number.