12223546 has 8 divisors (see below), whose sum is σ = 18636084. Its totient is φ = 6011520.

The previous prime is 12223543. The next prime is 12223553. The reversal of 12223546 is 64532221.

It can be written as a sum of positive squares in 2 ways, for example, as 11978521 + 245025 = 3461^2 + 495^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12223546.

It is not an unprimeable number, because it can be changed into a prime (12223543) 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 3 ways as a sum of consecutive naturals, for example, 49975 + ... + 50218.

Almost surely, 2^12223546 is an apocalyptic number.

12223546 is a deficient number, since it is larger than the sum of its proper divisors (6412538).

12223546 is a wasteful number, since it uses less digits than its factorization.

12223546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100256.

The product of its digits is 2880, while the sum is 25.

The square root of 12223546 is about 3496.2188146625. The cubic root of 12223546 is about 230.3557569408.

Adding to 12223546 its reverse (64532221), we get a palindrome (76755767).

It can be divided in two parts, 12223 and 546, that added together give a square (12769 = 113²).

The spelling of 12223546 in words is "twelve million, two hundred twenty-three thousand, five hundred forty-six".