12222942 has 8 divisors (see below), whose sum is σ = 24445896. Its totient is φ = 4074312.

The previous prime is 12222941. The next prime is 12222943. The reversal of 12222942 is 24922221.

It is an interprime number because it is at equal distance from previous prime (12222941) and next prime (12222943).

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

12222942 is an admirable number.

It is a super-2 number, since 2×12222942² = 298800622270728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018573 + ... + 1018584.

It is an arithmetic number, because the mean of its divisors is an integer number (3055737).

Almost surely, 2^12222942 is an apocalyptic number.

12222942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12222942 is a wasteful number, since it uses less digits than its factorization.

12222942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037162.

The product of its digits is 1152, while the sum is 24.

The square root of 12222942 is about 3496.1324345625. The cubic root of 12222942 is about 230.3519627017.

The spelling of 12222942 in words is "twelve million, two hundred twenty-two thousand, nine hundred forty-two".