22224412 has 48 divisors (see below), whose sum is σ = 45948672. Its totient is φ = 9210240.

The previous prime is 22224401. The next prime is 22224431. The reversal of 22224412 is 21442222.

It is a super-3 number, since 3×22224412³ (a number of 23 digits) contains 333 as substring.

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 22224412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169587 + ... + 169717.

It is an arithmetic number, because the mean of its divisors is an integer number (957264).

Almost surely, 2^22224412 is an apocalyptic number.

It is an amenable number.

22224412 is an abundant number, since it is smaller than the sum of its proper divisors (23724260).

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

22224412 is a wasteful number, since it uses less digits than its factorization.

22224412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

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

The square root of 22224412 is about 4714.2774631962. The cubic root of 22224412 is about 281.1534561145.

Adding to 22224412 its reverse (21442222), we get a palindrome (43666634).

The spelling of 22224412 in words is "twenty-two million, two hundred twenty-four thousand, four hundred twelve".