22303228 has 12 divisors (see below), whose sum is σ = 39613672. Its totient is φ = 10985040.

The previous prime is 22303223. The next prime is 22303249. The reversal of 22303228 is 82230322.

22303228 = T₃₆₇ + T₃₆₈ + ... + T₅₆₇.

It is a junction number, because it is equal to n+sod(n) for n = 22303199 and 22303208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303223) by changing a digit.

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, 41343 + ... + 41878.

Almost surely, 2^22303228 is an apocalyptic number.

It is an amenable number.

22303228 is a deficient number, since it is larger than the sum of its proper divisors (17310444).

22303228 is a wasteful number, since it uses less digits than its factorization.

22303228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83292 (or 83290 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22303228 is about 4722.6293523841. The cubic root of 22303228 is about 281.4854221098.

The spelling of 22303228 in words is "twenty-two million, three hundred three thousand, two hundred twenty-eight".