225806452 has 24 divisors (see below), whose sum is σ = 402685920. Its totient is φ = 110761440.

The previous prime is 225806443. The next prime is 225806521. The reversal of 225806452 is 254608522.

225806452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206427 + ... + 207517.

It is an arithmetic number, because the mean of its divisors is an integer number (16778580).

Almost surely, 2^225806452 is an apocalyptic number.

It is an amenable number.

225806452 is a deficient number, since it is larger than the sum of its proper divisors (176879468).

225806452 is a wasteful number, since it uses less digits than its factorization.

225806452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2029 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 225806452 is about 15026.8576888184. The cubic root of 225806452 is about 608.9460003547.

The spelling of 225806452 in words is "two hundred twenty-five million, eight hundred six thousand, four hundred fifty-two".