22250332420 has 12 divisors (see below), whose sum is σ = 46725698124. Its totient is φ = 8900132960.

The previous prime is 22250332409. The next prime is 22250332459. The reversal of 22250332420 is 2423305222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6711214084 + 15539118336 = 81922^2 + 124656^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556258291 + ... + 556258330.

It is an arithmetic number, because the mean of its divisors is an integer number (3893808177).

Almost surely, 2^22250332420 is an apocalyptic number.

22250332420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22250332420 is an abundant number, since it is smaller than the sum of its proper divisors (24475365704).

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

22250332420 is a wasteful number, since it uses less digits than its factorization.

22250332420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112516630 (or 1112516628 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 22250332420 its reverse (2423305222), we get a palindrome (24673637642).

The spelling of 22250332420 in words is "twenty-two billion, two hundred fifty million, three hundred thirty-two thousand, four hundred twenty".