225516758 has 4 divisors (see below), whose sum is σ = 338275140. Its totient is φ = 112758378.

The previous prime is 225516751. The next prime is 225516773. The reversal of 225516758 is 857615522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 857615522 = 2 ⋅428807761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225516751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56379188 + ... + 56379191.

It is an arithmetic number, because the mean of its divisors is an integer number (84568785).

Almost surely, 2^225516758 is an apocalyptic number.

225516758 is a deficient number, since it is larger than the sum of its proper divisors (112758382).

225516758 is a wasteful number, since it uses less digits than its factorization.

225516758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112758381.

The product of its digits is 168000, while the sum is 41.

The square root of 225516758 is about 15017.2153876809. The cubic root of 225516758 is about 608.6854770989.

The spelling of 225516758 in words is "two hundred twenty-five million, five hundred sixteen thousand, seven hundred fifty-eight".