22428212 has 12 divisors (see below), whose sum is σ = 40084800. Its totient is φ = 10975416.

The previous prime is 22428209. The next prime is 22428233. The reversal of 22428212 is 21282422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59462 + ... + 59837.

It is an arithmetic number, because the mean of its divisors is an integer number (3340400).

Almost surely, 2^22428212 is an apocalyptic number.

It is an amenable number.

22428212 is a deficient number, since it is larger than the sum of its proper divisors (17656588).

22428212 is a wasteful number, since it uses less digits than its factorization.

22428212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119350 (or 119348 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 22428212 is about 4735.8433251112. The cubic root of 22428212 is about 282.0102439147.

The spelling of 22428212 in words is "twenty-two million, four hundred twenty-eight thousand, two hundred twelve".