22252009420 has 24 divisors (see below), whose sum is σ = 47992173264. Its totient is φ = 8660241216.

The previous prime is 22252009363. The next prime is 22252009421. The reversal of 22252009420 is 2490025222.

It is not an unprimeable number, because it can be changed into a prime (22252009421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15034402 + ... + 15035881.

It is an arithmetic number, because the mean of its divisors is an integer number (1999673886).

Almost surely, 2^22252009420 is an apocalyptic number.

22252009420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22252009420 is an abundant number, since it is smaller than the sum of its proper divisors (25740163844).

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

22252009420 is a wasteful number, since it uses less digits than its factorization.

22252009420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30070329 (or 30070327 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 22252009420 in words is "twenty-two billion, two hundred fifty-two million, nine thousand, four hundred twenty".