225303522 has 16 divisors (see below), whose sum is σ = 452148480. Its totient is φ = 74844272.

The previous prime is 225303521. The next prime is 225303527.

225303522 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 225303492 and 225303501.

It is not an unprimeable number, because it can be changed into a prime (225303521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62322 + ... + 65837.

It is an arithmetic number, because the mean of its divisors is an integer number (28259280).

Almost surely, 2^225303522 is an apocalyptic number.

225303522 is an abundant number, since it is smaller than the sum of its proper divisors (226844958).

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

225303522 is a wasteful number, since it uses less digits than its factorization.

225303522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128457.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 225303522 is about 15010.1139902400. The cubic root of 225303522 is about 608.4935703162.

The spelling of 225303522 in words is "two hundred twenty-five million, three hundred three thousand, five hundred twenty-two".