22212313133 has 4 divisors (see below), whose sum is σ = 22212697980. Its totient is φ = 22211928288.

The previous prime is 22212313127. The next prime is 22212313139. The reversal of 22212313133 is 33131321222.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22212313127) and next prime (22212313139).

It can be written as a sum of positive squares in 2 ways, for example, as 15799987204 + 6412325929 = 125698^2 + 80077^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212313133 - 2⁴ = 22212313117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212313099 and 22212313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212313139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86360 + ... + 227777.

It is an arithmetic number, because the mean of its divisors is an integer number (5553174495).

Almost surely, 2^22212313133 is an apocalyptic number.

It is an amenable number.

22212313133 is a deficient number, since it is larger than the sum of its proper divisors (384847).

22212313133 is an equidigital number, since it uses as much as digits as its factorization.

22212313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384846.

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

Adding to 22212313133 its reverse (33131321222), we get a palindrome (55343634355).

The spelling of 22212313133 in words is "twenty-two billion, two hundred twelve million, three hundred thirteen thousand, one hundred thirty-three".