22276347720 has 128 divisors (see below), whose sum is σ = 73138688640. Its totient is φ = 5382973440.

The previous prime is 22276347713. The next prime is 22276347787. The reversal of 22276347720 is 2774367222.

It is an unprimeable number.

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, 386202 + ... + 440118.

It is an arithmetic number, because the mean of its divisors is an integer number (571396005).

Almost surely, 2^22276347720 is an apocalyptic number.

22276347720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22276347720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36569344320).

22276347720 is an abundant number, since it is smaller than the sum of its proper divisors (50862340920).

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

22276347720 is a wasteful number, since it uses less digits than its factorization.

22276347720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54255 (or 54251 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 22276347720 in words is "twenty-two billion, two hundred seventy-six million, three hundred forty-seven thousand, seven hundred twenty".