22208914420 has 48 divisors (see below), whose sum is σ = 58146979968. Its totient is φ = 6922258560.

The previous prime is 22208914391. The next prime is 22208914423. The reversal of 22208914420 is 2441980222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22208914423) 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 15 ways as a sum of consecutive naturals, for example, 7209147 + ... + 7212226.

It is an arithmetic number, because the mean of its divisors is an integer number (1211395416).

Almost surely, 2^22208914420 is an apocalyptic number.

22208914420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22208914420 is an abundant number, since it is smaller than the sum of its proper divisors (35938065548).

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

22208914420 is a wasteful number, since it uses less digits than its factorization.

22208914420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14421400 (or 14421398 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 22208914420 in words is "twenty-two billion, two hundred eight million, nine hundred fourteen thousand, four hundred twenty".