12223134 has 48 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 3174480.

The previous prime is 12223109. The next prime is 12223139. The reversal of 12223134 is 43132221.

12223134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3024 + ... + 5795.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^12223134 is an apocalyptic number.

12223134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12223134 is an abundant number, since it is smaller than the sum of its proper divisors (20798946).

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

12223134 is a wasteful number, since it uses less digits than its factorization.

12223134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845 (or 8842 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12223134 is about 3496.1598933687. The cubic root of 12223134 is about 230.3531688310.

Adding to 12223134 its reverse (43132221), we get a palindrome (55355355).

It can be divided in two parts, 122231 and 34, that added together give a triangular number (122265 = T₄₉₄).

The spelling of 12223134 in words is "twelve million, two hundred twenty-three thousand, one hundred thirty-four".