22020668 has 6 divisors (see below), whose sum is σ = 38536176. Its totient is φ = 11010332.

The previous prime is 22020667. The next prime is 22020673. The reversal of 22020668 is 86602022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752580 + ... + 2752587.

It is an arithmetic number, because the mean of its divisors is an integer number (6422696).

Almost surely, 2^22020668 is an apocalyptic number.

It is an amenable number.

22020668 is a deficient number, since it is larger than the sum of its proper divisors (16515508).

22020668 is a wasteful number, since it uses less digits than its factorization.

22020668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505171 (or 5505169 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22020668 is about 4692.6184588138. The cubic root of 22020668 is about 280.2916518882.

The spelling of 22020668 in words is "twenty-two million, twenty thousand, six hundred sixty-eight".