2194822523420 has 48 divisors (see below), whose sum is σ = 5012151177600. Its totient is φ = 803954064384.

The previous prime is 2194822523419. The next prime is 2194822523431. The reversal of 2194822523420 is 243252284912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87222020 + ... + 87247179.

It is an arithmetic number, because the mean of its divisors is an integer number (104419816200).

Almost surely, 2^{2194822523420} is an apocalyptic number.

2194822523420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2194822523420 is an abundant number, since it is smaller than the sum of its proper divisors (2817328654180).

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

2194822523420 is a wasteful number, since it uses less digits than its factorization.

2194822523420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174469262 (or 174469260 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 2194822523420 in words is "two trillion, one hundred ninety-four billion, eight hundred twenty-two million, five hundred twenty-three thousand, four hundred twenty".