22019016 has 16 divisors (see below), whose sum is σ = 55047600. Its totient is φ = 7339664.

The previous prime is 22019003. The next prime is 22019047. The reversal of 22019016 is 61091022.

It is a junction number, because it is equal to n+sod(n) for n = 22018983 and 22019001.

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, 458706 + ... + 458753.

It is an arithmetic number, because the mean of its divisors is an integer number (3440475).

Almost surely, 2^22019016 is an apocalyptic number.

It is an amenable number.

22019016 is an abundant number, since it is smaller than the sum of its proper divisors (33028584).

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

22019016 is a wasteful number, since it uses less digits than its factorization.

22019016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917468 (or 917464 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 22019016 is about 4692.4424343832. The cubic root of 22019016 is about 280.2846425127.

The spelling of 22019016 in words is "twenty-two million, nineteen thousand, sixteen".