225868826 has 4 divisors (see below), whose sum is σ = 338803242. Its totient is φ = 112934412.

The previous prime is 225868801. The next prime is 225868837. The reversal of 225868826 is 628868522.

It is a happy number.

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., 140398801 + 85470025 = 11849^2 + 9245^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56467205 + ... + 56467208.

Almost surely, 2^225868826 is an apocalyptic number.

225868826 is a deficient number, since it is larger than the sum of its proper divisors (112934416).

225868826 is a wasteful number, since it uses less digits than its factorization.

225868826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112934415.

The product of its digits is 737280, while the sum is 47.

The square root of 225868826 is about 15028.9329627888. The cubic root of 225868826 is about 609.0020644467.

The spelling of 225868826 in words is "two hundred twenty-five million, eight hundred sixty-eight thousand, eight hundred twenty-six".