22435228 has 12 divisors (see below), whose sum is σ = 39526200. Its totient is φ = 11142032.

The previous prime is 22435213. The next prime is 22435267. The reversal of 22435228 is 82253422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22435196 and 22435205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18226 + ... + 19417.

It is an arithmetic number, because the mean of its divisors is an integer number (3293850).

Almost surely, 2^22435228 is an apocalyptic number.

It is an amenable number.

22435228 is a deficient number, since it is larger than the sum of its proper divisors (17090972).

22435228 is a wasteful number, since it uses less digits than its factorization.

22435228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37796 (or 37794 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 22435228 is about 4736.5840011553. The cubic root of 22435228 is about 282.0396470253.

The spelling of 22435228 in words is "twenty-two million, four hundred thirty-five thousand, two hundred twenty-eight".