12222582 has 16 divisors (see below), whose sum is σ = 24698352. Its totient is φ = 4032000.

The previous prime is 12222571. The next prime is 12222583. The reversal of 12222582 is 28522221.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222583) 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 7 ways as a sum of consecutive naturals, for example, 9919 + ... + 11082.

It is an arithmetic number, because the mean of its divisors is an integer number (1543647).

Almost surely, 2^12222582 is an apocalyptic number.

12222582 is an abundant number, since it is smaller than the sum of its proper divisors (12475770).

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

12222582 is a wasteful number, since it uses less digits than its factorization.

12222582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21103.

The product of its digits is 1280, while the sum is 24.

The square root of 12222582 is about 3496.0809487196. The cubic root of 12222582 is about 230.3497011752.

The spelling of 12222582 in words is "twelve million, two hundred twenty-two thousand, five hundred eighty-two".