225533533 has 2 divisors, whose sum is σ = 225533534. Its totient is φ = 225533532.

The previous prime is 225533519. The next prime is 225533557. The reversal of 225533533 is 335335522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192044164 + 33489369 = 13858^2 + 5787^2 .

It is a cyclic number.

It is not a de Polignac number, because 225533533 - 2⁵ = 225533501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225533495 and 225533504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225533513) 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 as a sum of consecutive naturals, namely, 112766766 + 112766767.

It is an arithmetic number, because the mean of its divisors is an integer number (112766767).

Almost surely, 2^225533533 is an apocalyptic number.

It is an amenable number.

225533533 is a deficient number, since it is larger than the sum of its proper divisors (1).

225533533 is an equidigital number, since it uses as much as digits as its factorization.

225533533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 31.

The square root of 225533533 is about 15017.7739029458. The cubic root of 225533533 is about 608.7005690235.

The spelling of 225533533 in words is "two hundred twenty-five million, five hundred thirty-three thousand, five hundred thirty-three".