12227554 has 8 divisors (see below), whose sum is σ = 18360000. Its totient is φ = 6107556.

The previous prime is 12227533. The next prime is 12227557. The reversal of 12227554 is 45572221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12227557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (2295000).

Almost surely, 2^12227554 is an apocalyptic number.

12227554 is a deficient number, since it is larger than the sum of its proper divisors (6132446).

12227554 is a wasteful number, since it uses less digits than its factorization.

12227554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224.

The product of its digits is 5600, while the sum is 28.

The square root of 12227554 is about 3496.7919583527. The cubic root of 12227554 is about 230.3809314409.

Adding to 12227554 its reverse (45572221), we get a palindrome (57799775).

The spelling of 12227554 in words is "twelve million, two hundred twenty-seven thousand, five hundred fifty-four".