22255231331 has 8 divisors (see below), whose sum is σ = 22790174400. Its totient is φ = 21726619200.

The previous prime is 22255231307. The next prime is 22255231337. The reversal of 22255231331 is 13313255222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22255231331 is a prime.

It is a super-2 number, since 2×22255231331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22255231294 and 22255231303.

It is not an unprimeable number, because it can be changed into a prime (22255231337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575620 + ... + 1589681.

It is an arithmetic number, because the mean of its divisors is an integer number (2848771800).

Almost surely, 2^22255231331 is an apocalyptic number.

22255231331 is a deficient number, since it is larger than the sum of its proper divisors (534943069).

22255231331 is an equidigital number, since it uses as much as digits as its factorization.

22255231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165469.

The product of its digits is 10800, while the sum is 29.

Adding to 22255231331 its reverse (13313255222), we get a palindrome (35568486553).

The spelling of 22255231331 in words is "twenty-two billion, two hundred fifty-five million, two hundred thirty-one thousand, three hundred thirty-one".