13922705217420 has 72 divisors (see below), whose sum is σ = 42232620240720. Its totient is φ = 3712684959360.

The previous prime is 13922705217397. The next prime is 13922705217427. The reversal of 13922705217420 is 2471250722931.

13922705217420 is a `hidden beast` number, since 1 + 3 + 9 + 2 + 2 + 7 + 0 + 5 + 217 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13922705217427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21513526 + ... + 22151234.

It is an arithmetic number, because the mean of its divisors is an integer number (586564170010).

Almost surely, 2^{13922705217420} is an apocalyptic number.

13922705217420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13922705217420 is an abundant number, since it is smaller than the sum of its proper divisors (28309915023300).

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

13922705217420 is a wasteful number, since it uses less digits than its factorization.

13922705217420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759015 (or 759010 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 13922705217420 in words is "thirteen trillion, nine hundred twenty-two billion, seven hundred five million, two hundred seventeen thousand, four hundred twenty".