12255422 has 4 divisors (see below), whose sum is σ = 18383136. Its totient is φ = 6127710.

The previous prime is 12255413. The next prime is 12255427. The reversal of 12255422 is 22455221.

12255422 is digitally balanced in base 2, 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3063854 + ... + 3063857.

It is an arithmetic number, because the mean of its divisors is an integer number (4595784).

Almost surely, 2^12255422 is an apocalyptic number.

12255422 is a deficient number, since it is larger than the sum of its proper divisors (6127714).

12255422 is an equidigital number, since it uses as much as digits as its factorization.

12255422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127713.

The product of its digits is 1600, while the sum is 23.

The square root of 12255422 is about 3500.7744857388. The cubic root of 12255422 is about 230.5558201789. Note that the first 3 decimals are identical.

The spelling of 12255422 in words is "twelve million, two hundred fifty-five thousand, four hundred twenty-two".