225012122 has 4 divisors (see below), whose sum is σ = 337518186. Its totient is φ = 112506060.

The previous prime is 225012121. The next prime is 225012127. The reversal of 225012122 is 221210522.

225012122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 198499921 + 26512201 = 14089^2 + 5149^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225012122.

It is not an unprimeable number, because it can be changed into a prime (225012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56253029 + ... + 56253032.

Almost surely, 2^225012122 is an apocalyptic number.

225012122 is a deficient number, since it is larger than the sum of its proper divisors (112506064).

225012122 is a wasteful number, since it uses less digits than its factorization.

225012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112506063.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 225012122 is about 15000.4040612245. The cubic root of 225012122 is about 608.2311220949.

Adding to 225012122 its reverse (221210522), we get a palindrome (446222644).

The spelling of 225012122 in words is "two hundred twenty-five million, twelve thousand, one hundred twenty-two".