22080216 has 32 divisors (see below), whose sum is σ = 55753200. Its totient is φ = 7286400.

The previous prime is 22080209. The next prime is 22080217. The reversal of 22080216 is 61208022.

It is a junction number, because it is equal to n+sod(n) for n = 22080192 and 22080201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22080217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131 + ... + 6978.

Almost surely, 2^22080216 is an apocalyptic number.

It is an amenable number.

22080216 is an abundant number, since it is smaller than the sum of its proper divisors (33672984).

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

22080216 is a wasteful number, since it uses less digits than its factorization.

22080216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219 (or 9215 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 22080216 is about 4698.9590336584. The cubic root of 22080216 is about 280.5440781517.

Adding to 22080216 its reverse (61208022), we get a palindrome (83288238).

The spelling of 22080216 in words is "twenty-two million, eighty thousand, two hundred sixteen".