22057616 has 40 divisors (see below), whose sum is σ = 50425344. Its totient is φ = 9146880.

The previous prime is 22057601. The next prime is 22057639. The reversal of 22057616 is 61675022.

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, 296 + ... + 6648.

Almost surely, 2^22057616 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 22057616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25212672).

22057616 is an abundant number, since it is smaller than the sum of its proper divisors (28367728).

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

22057616 is a wasteful number, since it uses less digits than its factorization.

22057616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399 (or 6393 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22057616 is about 4696.5536300568. The cubic root of 22057616 is about 280.4483293815.

The spelling of 22057616 in words is "twenty-two million, fifty-seven thousand, six hundred sixteen".