12229154 has 16 divisors (see below), whose sum is σ = 22197888. Its totient is φ = 4932672.

The previous prime is 12229153. The next prime is 12229177. The reversal of 12229154 is 45192221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12229153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25454 + ... + 25929.

It is an arithmetic number, because the mean of its divisors is an integer number (1387368).

Almost surely, 2^12229154 is an apocalyptic number.

12229154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12229154 is a deficient number, since it is larger than the sum of its proper divisors (9968734).

12229154 is a wasteful number, since it uses less digits than its factorization.

12229154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51409.

The product of its digits is 1440, while the sum is 26.

The square root of 12229154 is about 3497.0207319946. The cubic root of 12229154 is about 230.3909796052.

The spelling of 12229154 in words is "twelve million, two hundred twenty-nine thousand, one hundred fifty-four".