22912736 has 96 divisors (see below), whose sum is σ = 59657472. Its totient is φ = 8386560.

The previous prime is 22912733. The next prime is 22912763. The reversal of 22912736 is 63721922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22912733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41615 + ... + 42161.

It is an arithmetic number, because the mean of its divisors is an integer number (621432).

Almost surely, 2^22912736 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 22912736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29828736).

22912736 is an abundant number, since it is smaller than the sum of its proper divisors (36744736).

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

22912736 is a wasteful number, since it uses less digits than its factorization.

22912736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 584 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 22912736 is about 4786.7249764322. The cubic root of 22912736 is about 284.0265795397.

The spelling of 22912736 in words is "twenty-two million, nine hundred twelve thousand, seven hundred thirty-six".