22324736 has 40 divisors (see below), whose sum is σ = 50986320. Its totient is φ = 9566208.

The previous prime is 22324717. The next prime is 22324741. The reversal of 22324736 is 63742322.

It is a super-3 number, since 3×22324736³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22324699 and 22324708.

It is a congruent number.

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, 470 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (1274658).

Almost surely, 2^22324736 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 22324736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25493160).

22324736 is an abundant number, since it is smaller than the sum of its proper divisors (28661584).

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

22324736 is an frugal number, since it uses more digits than its factorization.

22324736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254 (or 6238 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 22324736 is about 4724.9059249894. The cubic root of 22324736 is about 281.5758760326.

The spelling of 22324736 in words is "twenty-two million, three hundred twenty-four thousand, seven hundred thirty-six".