12225154 has 16 divisors (see below), whose sum is σ = 18764640. Its totient is φ = 5971680.

The previous prime is 12225149. The next prime is 12225179. The reversal of 12225154 is 45152221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36769 + ... + 37099.

It is an arithmetic number, because the mean of its divisors is an integer number (1172790).

Almost surely, 2^12225154 is an apocalyptic number.

12225154 is a deficient number, since it is larger than the sum of its proper divisors (6539486).

12225154 is a wasteful number, since it uses less digits than its factorization.

12225154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its digits is 800, while the sum is 22.

The square root of 12225154 is about 3496.4487698235. The cubic root of 12225154 is about 230.3658575509.

Adding to 12225154 its reverse (45152221), we get a palindrome (57377375).

The spelling of 12225154 in words is "twelve million, two hundred twenty-five thousand, one hundred fifty-four".