12222149 has 8 divisors (see below), whose sum is σ = 12920640. Its totient is φ = 11529216.

The previous prime is 12222127. The next prime is 12222151. The reversal of 12222149 is 94122221.

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

It is a cyclic number.

It is not a de Polignac number, because 12222149 - 2⁸ = 12221893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222109) 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, 3632 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (1615080).

Almost surely, 2^12222149 is an apocalyptic number.

12222149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12222149 is a deficient number, since it is larger than the sum of its proper divisors (698491).

12222149 is a wasteful number, since it uses less digits than its factorization.

12222149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its digits is 576, while the sum is 23.

The square root of 12222149 is about 3496.0190216874. The cubic root of 12222149 is about 230.3469810026.

The spelling of 12222149 in words is "twelve million, two hundred twenty-two thousand, one hundred forty-nine".