2247440257 has 8 divisors (see below), whose sum is σ = 2265983720. Its totient is φ = 2228964480.

The previous prime is 2247440243. The next prime is 2247440267. The reversal of 2247440257 is 7520447422.

2247440257 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 4 ways, for example, as 115863696 + 2131576561 = 10764^2 + 46169^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2247440257 - 2¹¹ = 2247438209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2247440267) 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, 50869 + ... + 84157.

It is an arithmetic number, because the mean of its divisors is an integer number (283247965).

Almost surely, 2^2247440257 is an apocalyptic number.

It is an amenable number.

2247440257 is a deficient number, since it is larger than the sum of its proper divisors (18543463).

2247440257 is a wasteful number, since it uses less digits than its factorization.

2247440257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33843.

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 2247440257 is about 47407.1751636817. The cubic root of 2247440257 is about 1309.8735882138.

Adding to 2247440257 its reverse (7520447422), we get a palindrome (9767887679).

The spelling of 2247440257 in words is "two billion, two hundred forty-seven million, four hundred forty thousand, two hundred fifty-seven".