22191733341440 has 72 divisors (see below), whose sum is σ = 57245069871528. Its totient is φ = 8193870766080.

The previous prime is 22191733341391. The next prime is 22191733341523. The reversal of 22191733341440 is 4414333719122.

It can be written as a sum of positive squares in 4 ways, for example, as 5043653572864 + 17148079768576 = 2245808^2 + 4141024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22191733341391 and 22191733341400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666802271 + ... + 666835550.

Almost surely, 2^{22191733341440} is an apocalyptic number.

22191733341440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22191733341440 is an abundant number, since it is smaller than the sum of its proper divisors (35053336530088).

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

22191733341440 is a wasteful number, since it uses less digits than its factorization.

22191733341440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333637855 (or 1333637841 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 22191733341440 in words is "twenty-two trillion, one hundred ninety-one billion, seven hundred thirty-three million, three hundred forty-one thousand, four hundred forty".