225773874 has 48 divisors (see below), whose sum is σ = 507588120. Its totient is φ = 72441600.

The previous prime is 225773857. The next prime is 225773879. The reversal of 225773874 is 478377522.

225773874 is a `hidden beast` number, since 2 + 2 + 577 + 3 + 8 + 74 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 176703849 + 49070025 = 13293^2 + 7005^2 .

It is not an unprimeable number, because it can be changed into a prime (225773879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321724 + ... + 322424.

Almost surely, 2^225773874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225773874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253794060).

225773874 is an abundant number, since it is smaller than the sum of its proper divisors (281814246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225773874 is a wasteful number, since it uses less digits than its factorization.

225773874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1352 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 225773874 is about 15025.7736572863. The cubic root of 225773874 is about 608.9167139212.

The spelling of 225773874 in words is "two hundred twenty-five million, seven hundred seventy-three thousand, eight hundred seventy-four".