12220334 has 16 divisors (see below), whose sum is σ = 20996448. Its totient is φ = 5225472.

The previous prime is 12220333. The next prime is 12220361. The reversal of 12220334 is 43302221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220333) 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, 8774 + ... + 10070.

It is an arithmetic number, because the mean of its divisors is an integer number (1312278).

Almost surely, 2^12220334 is an apocalyptic number.

12220334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12220334 is a deficient number, since it is larger than the sum of its proper divisors (8776114).

12220334 is a wasteful number, since it uses less digits than its factorization.

12220334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12220334 is about 3495.7594310822. The cubic root of 12220334 is about 230.3355781943.

Adding to 12220334 its reverse (43302221), we get a palindrome (55522555).

The spelling of 12220334 in words is "twelve million, two hundred twenty thousand, three hundred thirty-four".