22236133 has 2 divisors, whose sum is σ = 22236134. Its totient is φ = 22236132.

The previous prime is 22236131. The next prime is 22236139. The reversal of 22236133 is 33163222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19873764 + 2362369 = 4458^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 22236133 - 2¹ = 22236131 is a prime.

It is a super-2 number, since 2×22236133² = 988891221587378, which contains 22 as substring.

Together with 22236131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22236131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11118066 + 11118067.

It is an arithmetic number, because the mean of its divisors is an integer number (11118067).

Almost surely, 2^22236133 is an apocalyptic number.

It is an amenable number.

22236133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22236133 is an equidigital number, since it uses as much as digits as its factorization.

22236133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 22.

The square root of 22236133 is about 4715.5204378732. The cubic root of 22236133 is about 281.2028735525.

Adding to 22236133 its reverse (33163222), we get a palindrome (55399355).

The spelling of 22236133 in words is "twenty-two million, two hundred thirty-six thousand, one hundred thirty-three".