225242522 has 16 divisors (see below), whose sum is σ = 345022632. Its totient is φ = 110257920.

The previous prime is 225242513. The next prime is 225242533.

225242522 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 225030001 + 212521 = 15001^2 + 461^2 .

It is a super-3 number, since 3×225242522³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225242491 and 225242500.

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 in 7 ways as a sum of consecutive naturals, for example, 14372 + ... + 25632.

Almost surely, 2^225242522 is an apocalyptic number.

225242522 is a deficient number, since it is larger than the sum of its proper divisors (119780110).

225242522 is a wasteful number, since it uses less digits than its factorization.

225242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11473.

The product of its digits is 6400, while the sum is 26.

The square root of 225242522 is about 15008.0818894354. The cubic root of 225242522 is about 608.4386496506.

The spelling of 225242522 in words is "two hundred twenty-five million, two hundred forty-two thousand, five hundred twenty-two".