22820268 has 48 divisors (see below), whose sum is σ = 55328000. Its totient is φ = 7314624.

The previous prime is 22820261. The next prime is 22820279. The reversal of 22820268 is 86202822.

It is not an unprimeable number, because it can be changed into a prime (22820261) 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 15 ways as a sum of consecutive naturals, for example, 45483 + ... + 45981.

Almost surely, 2^22820268 is an apocalyptic number.

It is an amenable number.

22820268 is an abundant number, since it is smaller than the sum of its proper divisors (32507732).

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

22820268 is a wasteful number, since it uses less digits than its factorization.

22820268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 22820268 is about 4777.0564158276. The cubic root of 22820268 is about 283.6439862200.

The spelling of 22820268 in words is "twenty-two million, eight hundred twenty thousand, two hundred sixty-eight".