12220994 has 8 divisors (see below), whose sum is σ = 19409868. Its totient is φ = 5751040.

The previous prime is 12220991. The next prime is 12220997. The reversal of 12220994 is 49902221.

12220994 is nontrivially palindromic in base 7.

12220994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12220991) and next prime (12220997).

It can be written as a sum of positive squares in 2 ways, for example, as 10080625 + 2140369 = 3175^2 + 1463^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12220991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179687 + ... + 179754.

Almost surely, 2^12220994 is an apocalyptic number.

12220994 is a deficient number, since it is larger than the sum of its proper divisors (7188874).

12220994 is a wasteful number, since it uses less digits than its factorization.

12220994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359460.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12220994 is about 3495.8538298962. The cubic root of 12220994 is about 230.3397248006.

The spelling of 12220994 in words is "twelve million, two hundred twenty thousand, nine hundred ninety-four".