22216748 has 6 divisors (see below), whose sum is σ = 38879316. Its totient is φ = 11108372.

The previous prime is 22216673. The next prime is 22216751. The reversal of 22216748 is 84761222.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777090 + ... + 2777097.

It is an arithmetic number, because the mean of its divisors is an integer number (6479886).

Almost surely, 2^22216748 is an apocalyptic number.

It is an amenable number.

22216748 is a deficient number, since it is larger than the sum of its proper divisors (16662568).

22216748 is a wasteful number, since it uses less digits than its factorization.

22216748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554191 (or 5554189 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 22216748 is about 4713.4645431996. The cubic root of 22216748 is about 281.1211341822.

The spelling of 22216748 in words is "twenty-two million, two hundred sixteen thousand, seven hundred forty-eight".