225216026 has 32 divisors (see below), whose sum is σ = 401605248. Its totient is φ = 92715840.

The previous prime is 225215999. The next prime is 225216031. The reversal of 225216026 is 620612522.

It is a junction number, because it is equal to n+sod(n) for n = 225215986 and 225216004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33656 + ... + 39788.

It is an arithmetic number, because the mean of its divisors is an integer number (12550164).

Almost surely, 2^225216026 is an apocalyptic number.

225216026 is a deficient number, since it is larger than the sum of its proper divisors (176389222).

225216026 is a wasteful number, since it uses less digits than its factorization.

225216026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 225216026 is about 15007.1991390799. The cubic root of 225216026 is about 608.4147911854.

Adding to 225216026 its reverse (620612522), we get a palindrome (845828548).

The spelling of 225216026 in words is "two hundred twenty-five million, two hundred sixteen thousand, twenty-six".