225045633 has 12 divisors (see below), whose sum is σ = 316012560. Its totient is φ = 142062552.

The previous prime is 225045631. The next prime is 225045661. The reversal of 225045633 is 336540522.

225045633 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 225045633 - 2¹ = 225045631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225045633.

It is not an unprimeable number, because it can be changed into a prime (225045631) 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, 112266 + ... + 114252.

It is an arithmetic number, because the mean of its divisors is an integer number (26334380).

Almost surely, 2^225045633 is an apocalyptic number.

It is an amenable number.

225045633 is a deficient number, since it is larger than the sum of its proper divisors (90966927).

225045633 is an frugal number, since it uses more digits than its factorization.

225045633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 225045633 is about 15001.5210228830. The cubic root of 225045633 is about 608.2613151666.

The spelling of 225045633 in words is "two hundred twenty-five million, forty-five thousand, six hundred thirty-three".