225774631 has 4 divisors (see below), whose sum is σ = 227552512. Its totient is φ = 223996752.

The previous prime is 225774617. The next prime is 225774641. The reversal of 225774631 is 136477522.

It is a happy number.

225774631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225774631 - 2⁹ = 225774119 is a prime.

It is a super-2 number, since 2×225774631² = 101948368006372322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225774611) 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, 888750 + ... + 889003.

It is an arithmetic number, because the mean of its divisors is an integer number (56888128).

Almost surely, 2^225774631 is an apocalyptic number.

225774631 is a deficient number, since it is larger than the sum of its proper divisors (1777881).

225774631 is a wasteful number, since it uses less digits than its factorization.

225774631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777880.

The product of its digits is 70560, while the sum is 37.

The square root of 225774631 is about 15025.7988473159. The cubic root of 225774631 is about 608.9173944686.

The spelling of 225774631 in words is "two hundred twenty-five million, seven hundred seventy-four thousand, six hundred thirty-one".