12229998 has 16 divisors (see below), whose sum is σ = 26683776. Its totient is φ = 3706040.

The previous prime is 12229981. The next prime is 12230003. The reversal of 12229998 is 89992221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92586 + ... + 92717.

It is an arithmetic number, because the mean of its divisors is an integer number (1667736).

Almost surely, 2^12229998 is an apocalyptic number.

12229998 is an abundant number, since it is smaller than the sum of its proper divisors (14453778).

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

12229998 is a wasteful number, since it uses less digits than its factorization.

12229998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185319.

The product of its digits is 46656, while the sum is 42.

The square root of 12229998 is about 3497.1414040613. The cubic root of 12229998 is about 230.3962796588.

The spelling of 12229998 in words is "twelve million, two hundred twenty-nine thousand, nine hundred ninety-eight".