225403011 has 12 divisors (see below), whose sum is σ = 331725888. Its totient is φ = 147433104.

The previous prime is 225402997. The next prime is 225403027. The reversal of 225403011 is 110304522.

225403011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225403011 - 2¹⁰ = 225401987 is a prime.

It is a super-2 number, since 2×225403011² = 101613034735732242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225403081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235795 + ... + 236748.

It is an arithmetic number, because the mean of its divisors is an integer number (27643824).

Almost surely, 2^225403011 is an apocalyptic number.

225403011 is a deficient number, since it is larger than the sum of its proper divisors (106322877).

225403011 is a wasteful number, since it uses less digits than its factorization.

225403011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472602 (or 472599 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 225403011 is about 15013.4276899048. The cubic root of 225403011 is about 608.5831228565.

Adding to 225403011 its reverse (110304522), we get a palindrome (335707533).

The spelling of 225403011 in words is "two hundred twenty-five million, four hundred three thousand, eleven".