22340736 has 192 divisors, whose sum is σ = 73513440. Its totient is φ = 6451200.

The previous prime is 22340723. The next prime is 22340761. The reversal of 22340736 is 63704322.

22340736 is a `hidden beast` number, since 223 + 407 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519531 + ... + 519573.

Almost surely, 2^22340736 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 22340736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36756720).

22340736 is an abundant number, since it is smaller than the sum of its proper divisors (51172704).

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

22340736 is a wasteful number, since it uses less digits than its factorization.

22340736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 22340736 is about 4726.5987771335. The cubic root of 22340736 is about 281.6431278642.

The spelling of 22340736 in words is "twenty-two million, three hundred forty thousand, seven hundred thirty-six".