12225922 has 16 divisors (see below), whose sum is σ = 18911232. Its totient is φ = 5924800.

The previous prime is 12225919. The next prime is 12225923. The reversal of 12225922 is 22952221.

It is not an unprimeable number, because it can be changed into a prime (12225923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10047 + ... + 11197.

It is an arithmetic number, because the mean of its divisors is an integer number (1181952).

Almost surely, 2^12225922 is an apocalyptic number.

12225922 is a deficient number, since it is larger than the sum of its proper divisors (6685310).

12225922 is a wasteful number, since it uses less digits than its factorization.

12225922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its digits is 1440, while the sum is 25.

The square root of 12225922 is about 3496.5585938176. The cubic root of 12225922 is about 230.3706814103.

The spelling of 12225922 in words is "twelve million, two hundred twenty-five thousand, nine hundred twenty-two".