225775674 has 56 divisors (see below), whose sum is σ = 537690420. Its totient is φ = 70823808.

The previous prime is 225775673. The next prime is 225775699. The reversal of 225775674 is 476577522.

225775674 is a `hidden beast` number, since 2 + 2 + 577 + 5 + 6 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 224550225 + 1225449 = 14985^2 + 1107^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225775673) 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 27 ways as a sum of consecutive naturals, for example, 20232 + ... + 29340.

Almost surely, 2^225775674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225775674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268845210).

225775674 is an abundant number, since it is smaller than the sum of its proper divisors (311914746).

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

225775674 is an equidigital number, since it uses as much as digits as its factorization.

225775674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146 (or 9131 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 225775674 is about 15025.8335542492. The cubic root of 225775674 is about 608.9183321291.

The spelling of 225775674 in words is "two hundred twenty-five million, seven hundred seventy-five thousand, six hundred seventy-four".