12302224 has 20 divisors (see below), whose sum is σ = 26002800. Its totient is φ = 5591840.

The previous prime is 12302221. The next prime is 12302233. The reversal of 12302224 is 42220321.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12302198 and 12302207.

It is not an unprimeable number, because it can be changed into a prime (12302221) 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, 34774 + ... + 35125.

It is an arithmetic number, because the mean of its divisors is an integer number (1300140).

Almost surely, 2^12302224 is an apocalyptic number.

It is an amenable number.

12302224 is an abundant number, since it is smaller than the sum of its proper divisors (13700576).

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

12302224 is a wasteful number, since it uses less digits than its factorization.

12302224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69918 (or 69912 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12302224 is about 3507.4526368862. The cubic root of 12302224 is about 230.8489357953.

Adding to 12302224 its reverse (42220321), we get a palindrome (54522545).

The spelling of 12302224 in words is "twelve million, three hundred two thousand, two hundred twenty-four".