225226122 has 32 divisors (see below), whose sum is σ = 508351680. Its totient is φ = 65896320.

The previous prime is 225226117. The next prime is 225226123. The reversal of 225226122 is 221622522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 225226092 and 225226101.

It is not an unprimeable number, because it can be changed into a prime (225226123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56923 + ... + 60750.

It is an arithmetic number, because the mean of its divisors is an integer number (15885990).

Almost surely, 2^225226122 is an apocalyptic number.

225226122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225226122 is an abundant number, since it is smaller than the sum of its proper divisors (283125558).

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

225226122 is a wasteful number, since it uses less digits than its factorization.

225226122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117718.

The product of its digits is 1920, while the sum is 24.

The square root of 225226122 is about 15007.5355072044. The cubic root of 225226122 is about 608.4238824034.

Adding to 225226122 its reverse (221622522), we get a palindrome (446848644).

The spelling of 225226122 in words is "two hundred twenty-five million, two hundred twenty-six thousand, one hundred twenty-two".