225936427 has 4 divisors (see below), whose sum is σ = 227585736. Its totient is φ = 224287120.

The previous prime is 225936349. The next prime is 225936437. The reversal of 225936427 is 724639522.

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

It is a cyclic number.

It is not a de Polignac number, because 225936427 - 2¹⁵ = 225903659 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225936427.

It is not an unprimeable number, because it can be changed into a prime (225936437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824449 + ... + 824722.

It is an arithmetic number, because the mean of its divisors is an integer number (56896434).

Almost surely, 2^225936427 is an apocalyptic number.

225936427 is a deficient number, since it is larger than the sum of its proper divisors (1649309).

225936427 is a wasteful number, since it uses less digits than its factorization.

225936427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649308.

The product of its digits is 181440, while the sum is 40.

The square root of 225936427 is about 15031.1818231302. The cubic root of 225936427 is about 609.0628151086.

The spelling of 225936427 in words is "two hundred twenty-five million, nine hundred thirty-six thousand, four hundred twenty-seven".