22243794877440 has 704 divisors, whose sum is σ = 82939131555840. Its totient is φ = 5646163968000.

The previous prime is 22243794877399. The next prime is 22243794877481. The reversal of 22243794877440 is 4477849734222.

22243794877440 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 37 + 94 + 8 + 77 + 440 = 666.

It is an interprime number because it is at equal distance from previous prime (22243794877399) and next prime (22243794877481).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 261369295 + ... + 261454385.

Almost surely, 2^{22243794877440} is an apocalyptic number.

22243794877440 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 22243794877440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41469565777920).

22243794877440 is an abundant number, since it is smaller than the sum of its proper divisors (60695336678400).

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

22243794877440 is a wasteful number, since it uses less digits than its factorization.

22243794877440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85217 (or 85193 counting only the distinct ones).

The product of its (nonzero) digits is 151732224, while the sum is 63.

The spelling of 22243794877440 in words is "twenty-two trillion, two hundred forty-three billion, seven hundred ninety-four million, eight hundred seventy-seven thousand, four hundred forty".