225211426 has 8 divisors (see below), whose sum is σ = 368527824. Its totient is φ = 102368820.

The previous prime is 225211417. The next prime is 225211439. The reversal of 225211426 is 624112522.

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

It is a self number, because there is not a number n which added to its sum of digits gives 225211426.

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 3 ways as a sum of consecutive naturals, for example, 5118420 + ... + 5118463.

It is an arithmetic number, because the mean of its divisors is an integer number (46065978).

Almost surely, 2^225211426 is an apocalyptic number.

225211426 is a deficient number, since it is larger than the sum of its proper divisors (143316398).

225211426 is a wasteful number, since it uses less digits than its factorization.

225211426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236896.

The product of its digits is 1920, while the sum is 25.

The square root of 225211426 is about 15007.0458785199. The cubic root of 225211426 is about 608.4106489001.

Adding to 225211426 its reverse (624112522), we get a palindrome (849323948).

The spelling of 225211426 in words is "two hundred twenty-five million, two hundred eleven thousand, four hundred twenty-six".