12223149 has 8 divisors (see below), whose sum is σ = 16644480. Its totient is φ = 7975296.

The previous prime is 12223139. The next prime is 12223199. The reversal of 12223149 is 94132221.

12223149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12223149 - 2²³ = 3834541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223109) 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, 43204 + ... + 43485.

It is an arithmetic number, because the mean of its divisors is an integer number (2080560).

Almost surely, 2^12223149 is an apocalyptic number.

It is an amenable number.

12223149 is a deficient number, since it is larger than the sum of its proper divisors (4421331).

12223149 is an equidigital number, since it uses as much as digits as its factorization.

12223149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86739.

The product of its digits is 864, while the sum is 24.

The square root of 12223149 is about 3496.1620385789. The cubic root of 12223149 is about 230.3532630593.

It can be divided in two parts, 1222 and 3149, that added together give a triangular number (4371 = T₉₃).

The spelling of 12223149 in words is "twelve million, two hundred twenty-three thousand, one hundred forty-nine".