22277472347 has 16 divisors (see below), whose sum is σ = 24184608000. Its totient is φ = 20519920512.

The previous prime is 22277472337. The next prime is 22277472353. The reversal of 22277472347 is 74327477222.

It is not a de Polignac number, because 22277472347 - 2²² = 22273278043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22277472307) 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 15 ways as a sum of consecutive naturals, for example, 1041779 + ... + 1062947.

It is an arithmetic number, because the mean of its divisors is an integer number (1511538000).

Almost surely, 2^22277472347 is an apocalyptic number.

22277472347 is a deficient number, since it is larger than the sum of its proper divisors (1907135653).

22277472347 is an equidigital number, since it uses as much as digits as its factorization.

22277472347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21687 (or 21661 counting only the distinct ones).

The product of its digits is 1843968, while the sum is 47.

The spelling of 22277472347 in words is "twenty-two billion, two hundred seventy-seven million, four hundred seventy-two thousand, three hundred forty-seven".