22738016 has 48 divisors (see below), whose sum is σ = 51819264. Its totient is φ = 9619584.

The previous prime is 22737931. The next prime is 22738021. The reversal of 22738016 is 61083722.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22738016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17981 + ... + 19203.

It is an arithmetic number, because the mean of its divisors is an integer number (1079568).

Almost surely, 2^22738016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22738016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25909632).

22738016 is an abundant number, since it is smaller than the sum of its proper divisors (29081248).

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

22738016 is a wasteful number, since it uses less digits than its factorization.

22738016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 22738016 is about 4768.4395770524. The cubic root of 22738016 is about 283.3027928635.

The spelling of 22738016 in words is "twenty-two million, seven hundred thirty-eight thousand, sixteen".