225613546 has 4 divisors (see below), whose sum is σ = 338420322. Its totient is φ = 112806772.

The previous prime is 225613517. The next prime is 225613547. The reversal of 225613546 is 645316522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 220374025 + 5239521 = 14845^2 + 2289^2 .

It is not an unprimeable number, because it can be changed into a prime (225613547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56403385 + ... + 56403388.

Almost surely, 2^225613546 is an apocalyptic number.

225613546 is a deficient number, since it is larger than the sum of its proper divisors (112806776).

225613546 is a wasteful number, since it uses less digits than its factorization.

225613546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112806775.

The product of its digits is 43200, while the sum is 34.

The square root of 225613546 is about 15020.4376101364. The cubic root of 225613546 is about 608.7725438344.

The spelling of 225613546 in words is "two hundred twenty-five million, six hundred thirteen thousand, five hundred forty-six".