22016080 has 20 divisors (see below), whose sum is σ = 51187572. Its totient is φ = 8806400.

The previous prime is 22016077. The next prime is 22016101. The reversal of 22016080 is 8061022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16744464 + 5271616 = 4092^2 + 2296^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137521 + ... + 137680.

Almost surely, 2^22016080 is an apocalyptic number.

22016080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22016080 is an abundant number, since it is smaller than the sum of its proper divisors (29171492).

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

22016080 is a wasteful number, since it uses less digits than its factorization.

22016080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275214 (or 275208 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 22016080 is about 4692.1295804784. The cubic root of 22016080 is about 280.2721843071.

It can be divided in two parts, 2201 and 6080, that added together give a square (8281 = 91²).

The spelling of 22016080 in words is "twenty-two million, sixteen thousand, eighty".