2447722 has 8 divisors (see below), whose sum is σ = 3684996. Its totient is φ = 1219392.

The previous prime is 2447717. The next prime is 2447723. The reversal of 2447722 is 2277442.

2447722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 622521 = 1351^2 + 789^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2447723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503 + ... + 2674.

2^2447722 is an apocalyptic number.

2447722 is a deficient number, since it is larger than the sum of its proper divisors (1237274).

2447722 is a wasteful number, since it uses less digits than its factorization.

2447722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472.

The product of its digits is 6272, while the sum is 28.

The square root of 2447722 is about 1564.5197346151. The cubic root of 2447722 is about 134.7681801110.

The spelling of 2447722 in words is "two million, four hundred forty-seven thousand, seven hundred twenty-two".