22071393420 has 96 divisors (see below), whose sum is σ = 65463552000. Its totient is φ = 5537086464.

The previous prime is 22071393329. The next prime is 22071393427. The reversal of 22071393420 is 2439317022.

It is not an unprimeable number, because it can be changed into a prime (22071393427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4178341 + ... + 4183619.

It is an arithmetic number, because the mean of its divisors is an integer number (681912000).

Almost surely, 2^22071393420 is an apocalyptic number.

22071393420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22071393420 is an abundant number, since it is smaller than the sum of its proper divisors (43392158580).

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

22071393420 is a wasteful number, since it uses less digits than its factorization.

22071393420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407 (or 9405 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 22071393420 in words is "twenty-two billion, seventy-one million, three hundred ninety-three thousand, four hundred twenty".