12220662 has 16 divisors (see below), whose sum is σ = 24786432. Its totient is φ = 4016040.

The previous prime is 12220661. The next prime is 12220669. The reversal of 12220662 is 26602221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220661) 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, 13918 + ... + 14769.

It is an arithmetic number, because the mean of its divisors is an integer number (1549152).

Almost surely, 2^12220662 is an apocalyptic number.

12220662 is an abundant number, since it is smaller than the sum of its proper divisors (12565770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220662 is a wasteful number, since it uses less digits than its factorization.

12220662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28763.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12220662 is about 3495.8063447508. The cubic root of 12220662 is about 230.3376389506.

Adding to 12220662 its reverse (26602221), we get a palindrome (38822883).

The spelling of 12220662 in words is "twelve million, two hundred twenty thousand, six hundred sixty-two".