22194570285440 has 64 divisors (see below), whose sum is σ = 60638736684960. Its totient is φ = 7609566953472.

The previous prime is 22194570285353. The next prime is 22194570285451. The reversal of 22194570285440 is 4458207549122.

It is a tau number, because it is divible by the number of its divisors (64).

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, 2477068097 + ... + 2477077056.

Almost surely, 2^{22194570285440} is an apocalyptic number.

22194570285440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22194570285440 is an abundant number, since it is smaller than the sum of its proper divisors (38444166399520).

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

22194570285440 is an equidigital number, since it uses as much as digits as its factorization.

22194570285440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954145179 (or 4954145167 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 22194570285440 in words is "twenty-two trillion, one hundred ninety-four billion, five hundred seventy million, two hundred eighty-five thousand, four hundred forty".