22663033440 has 192 divisors, whose sum is σ = 75263924736. Its totient is φ = 5720850432.

The previous prime is 22663033399. The next prime is 22663033451. The reversal of 22663033440 is 4433036622.

It is a happy number.

It is a super-2 number, since 2×22663033440² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060299 + ... + 1081461.

It is an arithmetic number, because the mean of its divisors is an integer number (391999608).

Almost surely, 2^22663033440 is an apocalyptic number.

22663033440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22663033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37631962368).

22663033440 is an abundant number, since it is smaller than the sum of its proper divisors (52600891296).

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

22663033440 is a wasteful number, since it uses less digits than its factorization.

22663033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21301 (or 21293 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

The spelling of 22663033440 in words is "twenty-two billion, six hundred sixty-three million, thirty-three thousand, four hundred forty".