2247422721 has 8 divisors (see below), whose sum is σ = 2997990240. Its totient is φ = 1497568512.

The previous prime is 2247422719. The next prime is 2247422753. The reversal of 2247422721 is 1272247422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2247422721 - 2¹ = 2247422719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2247422791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170931 + ... + 183608.

It is an arithmetic number, because the mean of its divisors is an integer number (374748780).

Almost surely, 2^2247422721 is an apocalyptic number.

It is an amenable number.

2247422721 is a deficient number, since it is larger than the sum of its proper divisors (750567519).

2247422721 is a wasteful number, since it uses less digits than its factorization.

2247422721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356655.

The product of its digits is 25088, while the sum is 33.

The square root of 2247422721 is about 47406.9902124149. The cubic root of 2247422721 is about 1309.8701813745.

The spelling of 2247422721 in words is "two billion, two hundred forty-seven million, four hundred twenty-two thousand, seven hundred twenty-one".