22020216 has 32 divisors (see below), whose sum is σ = 55987200. Its totient is φ = 7215200.

The previous prime is 22020211. The next prime is 22020227. The reversal of 22020216 is 61202022.

It is a junction number, because it is equal to n+sod(n) for n = 22020195 and 22020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6360 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (1749600).

Almost surely, 2^22020216 is an apocalyptic number.

It is an amenable number.

22020216 is an abundant number, since it is smaller than the sum of its proper divisors (33966984).

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

22020216 is a wasteful number, since it uses less digits than its factorization.

22020216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15619 (or 15615 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22020216 is about 4692.5702978219. The cubic root of 22020216 is about 280.2897341036.

Adding to 22020216 its reverse (61202022), we get a palindrome (83222238).

The spelling of 22020216 in words is "twenty-two million, twenty thousand, two hundred sixteen".