225220126 has 8 divisors (see below), whose sum is σ = 339306120. Its totient is φ = 112118088.

The previous prime is 225220103. The next prime is 225220141. The reversal of 225220126 is 621022522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225220097 and 225220106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245416 + ... + 246331.

It is an arithmetic number, because the mean of its divisors is an integer number (42413265).

Almost surely, 2^225220126 is an apocalyptic number.

225220126 is a deficient number, since it is larger than the sum of its proper divisors (114085994).

225220126 is a wasteful number, since it uses less digits than its factorization.

225220126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491978.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 225220126 is about 15007.3357395642. The cubic root of 225220126 is about 608.4184831748.

Adding to 225220126 its reverse (621022522), we get a palindrome (846242648).

The spelling of 225220126 in words is "two hundred twenty-five million, two hundred twenty thousand, one hundred twenty-six".