22242412 has 12 divisors (see below), whose sum is σ = 38974320. Its totient is φ = 11106896.

The previous prime is 22242401. The next prime is 22242419. The reversal of 22242412 is 21424222.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22242412.

It is not an unprimeable number, because it can be changed into a prime (22242419) 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, 414 + ... + 6682.

It is an arithmetic number, because the mean of its divisors is an integer number (3247860).

Almost surely, 2^22242412 is an apocalyptic number.

It is an amenable number.

22242412 is a deficient number, since it is larger than the sum of its proper divisors (16731908).

22242412 is a wasteful number, since it uses less digits than its factorization.

22242412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160 (or 7158 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 22242412 is about 4716.1861710497. The cubic root of 22242412 is about 281.2293395852.

Adding to 22242412 its reverse (21424222), we get a palindrome (43666634).

The spelling of 22242412 in words is "twenty-two million, two hundred forty-two thousand, four hundred twelve".