12221362 has 16 divisors (see below), whose sum is σ = 18974592. Its totient is φ = 5899680.

The previous prime is 12221357. The next prime is 12221369. The reversal of 12221362 is 26312221.

It is not an unprimeable number, because it can be changed into a prime (12221369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7723 + ... + 9169.

It is an arithmetic number, because the mean of its divisors is an integer number (1185912).

Almost surely, 2^12221362 is an apocalyptic number.

12221362 is a deficient number, since it is larger than the sum of its proper divisors (6753230).

12221362 is a wasteful number, since it uses less digits than its factorization.

12221362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 288, while the sum is 19.

The square root of 12221362 is about 3495.9064632796. The cubic root of 12221362 is about 230.3420367830.

Adding to 12221362 its reverse (26312221), we get a palindrome (38533583).

The spelling of 12221362 in words is "twelve million, two hundred twenty-one thousand, three hundred sixty-two".