22019068 has 12 divisors (see below), whose sum is σ = 38599960. Its totient is φ = 10990512.

The previous prime is 22019059. The next prime is 22019089. The reversal of 22019068 is 86091022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971 + ... + 6922.

Almost surely, 2^22019068 is an apocalyptic number.

It is an amenable number.

22019068 is a deficient number, since it is larger than the sum of its proper divisors (16580892).

22019068 is a wasteful number, since it uses less digits than its factorization.

22019068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9516 (or 9514 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 22019068 is about 4692.4479752044. The cubic root of 22019068 is about 280.2848631522.

The spelling of 22019068 in words is "twenty-two million, nineteen thousand, sixty-eight".