22232131133 has 8 divisors (see below), whose sum is σ = 22836955608. Its totient is φ = 21627514944.

The previous prime is 22232131127. The next prime is 22232131139. The reversal of 22232131133 is 33113123222.

It is an interprime number because it is at equal distance from previous prime (22232131127) and next prime (22232131139).

It can be written as a sum of positive squares in 4 ways, for example, as 20751266809 + 1480864324 = 144053^2 + 38482^2 .

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 22232131133 - 2⁶ = 22232131069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22232131099 and 22232131108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232131139) 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, 177935 + ... + 275907.

It is an arithmetic number, because the mean of its divisors is an integer number (2854619451).

Almost surely, 2^22232131133 is an apocalyptic number.

It is an amenable number.

22232131133 is a deficient number, since it is larger than the sum of its proper divisors (604824475).

22232131133 is an equidigital number, since it uses as much as digits as its factorization.

22232131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104143.

The product of its digits is 1296, while the sum is 23.

Adding to 22232131133 its reverse (33113123222), we get a palindrome (55345254355).

The spelling of 22232131133 in words is "twenty-two billion, two hundred thirty-two million, one hundred thirty-one thousand, one hundred thirty-three".