12534222 has 8 divisors (see below), whose sum is σ = 25068456. Its totient is φ = 4178072.

The previous prime is 12534217. The next prime is 12534227. The reversal of 12534222 is 22243521.

It is an interprime number because it is at equal distance from previous prime (12534217) and next prime (12534227).

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

12534222 is an admirable number.

It is a super-2 number, since 2×12534222² = 314213442290568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044513 + ... + 1044524.

It is an arithmetic number, because the mean of its divisors is an integer number (3133557).

Almost surely, 2^12534222 is an apocalyptic number.

12534222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12534222 is a wasteful number, since it uses less digits than its factorization.

12534222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089042.

The product of its digits is 960, while the sum is 21.

The square root of 12534222 is about 3540.3703196135. The cubic root of 12534222 is about 232.2910412991.

Adding to 12534222 its reverse (22243521), we get a palindrome (34777743).

The spelling of 12534222 in words is "twelve million, five hundred thirty-four thousand, two hundred twenty-two".