225873777 has 8 divisors (see below), whose sum is σ = 314259264. Its totient is φ = 144035408.

The previous prime is 225873761. The next prime is 225873799. The reversal of 225873777 is 777378522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225873777 - 2⁴ = 225873761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225873707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636698 + ... + 1636835.

It is an arithmetic number, because the mean of its divisors is an integer number (39282408).

Almost surely, 2^225873777 is an apocalyptic number.

It is an amenable number.

225873777 is a deficient number, since it is larger than the sum of its proper divisors (88385487).

225873777 is a wasteful number, since it uses less digits than its factorization.

225873777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273559.

The product of its digits is 1152480, while the sum is 48.

The square root of 225873777 is about 15029.0976775055. The cubic root of 225873777 is about 609.0065141492.

The spelling of 225873777 in words is "two hundred twenty-five million, eight hundred seventy-three thousand, seven hundred seventy-seven".