225686354 has 4 divisors (see below), whose sum is σ = 338529534. Its totient is φ = 112843176.

The previous prime is 225686309. The next prime is 225686369. The reversal of 225686354 is 453686522.

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., 215414329 + 10272025 = 14677^2 + 3205^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56421587 + ... + 56421590.

Almost surely, 2^225686354 is an apocalyptic number.

225686354 is a deficient number, since it is larger than the sum of its proper divisors (112843180).

225686354 is a wasteful number, since it uses less digits than its factorization.

225686354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112843179.

The product of its digits is 345600, while the sum is 41.

The square root of 225686354 is about 15022.8610457529. The cubic root of 225686354 is about 608.8380226810.

The spelling of 225686354 in words is "two hundred twenty-five million, six hundred eighty-six thousand, three hundred fifty-four".