23225533 has 2 divisors, whose sum is σ = 23225534. Its totient is φ = 23225532.

The previous prime is 23225509. The next prime is 23225551. The reversal of 23225533 is 33552232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 1295044 = 4683^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 23225533 - 2⁹ = 23225021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23225498 and 23225507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23225593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612766 + 11612767.

It is an arithmetic number, because the mean of its divisors is an integer number (11612767).

Almost surely, 2^23225533 is an apocalyptic number.

It is an amenable number.

23225533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23225533 is an equidigital number, since it uses as much as digits as its factorization.

23225533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 25.

The square root of 23225533 is about 4819.2876029554. The cubic root of 23225533 is about 285.3132208373.

Adding to 23225533 its reverse (33552232), we get a palindrome (56777765).

The spelling of 23225533 in words is "twenty-three million, two hundred twenty-five thousand, five hundred thirty-three".