225759994 has 4 divisors (see below), whose sum is σ = 338639994. Its totient is φ = 112879996.

The previous prime is 225759979. The next prime is 225760009. The reversal of 225759994 is 499957522.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (225759979) and next prime (225760009).

It can be written as a sum of positive squares in only one way, i.e., 175165225 + 50594769 = 13235^2 + 7113^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 56439997 + ... + 56440000.

Almost surely, 2^225759994 is an apocalyptic number.

225759994 is a deficient number, since it is larger than the sum of its proper divisors (112880000).

225759994 is a wasteful number, since it uses less digits than its factorization.

225759994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112879999.

The product of its digits is 2041200, while the sum is 52.

The square root of 225759994 is about 15025.3117771313. The cubic root of 225759994 is about 608.9042354517.

The spelling of 225759994 in words is "two hundred twenty-five million, seven hundred fifty-nine thousand, nine hundred ninety-four".