2248856261 has 2 divisors, whose sum is σ = 2248856262. Its totient is φ = 2248856260.

The previous prime is 2248856231. The next prime is 2248856341. The reversal of 2248856261 is 1626588422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2082188161 + 166668100 = 45631^2 + 12910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2248856261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2248856221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124428130 + 1124428131.

It is an arithmetic number, because the mean of its divisors is an integer number (1124428131).

Almost surely, 2^2248856261 is an apocalyptic number.

It is an amenable number.

2248856261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248856261 is an equidigital number, since it uses as much as digits as its factorization.

2248856261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 44.

The square root of 2248856261 is about 47422.1073023964. The cubic root of 2248856261 is about 1310.1486265726.

The spelling of 2248856261 in words is "two billion, two hundred forty-eight million, eight hundred fifty-six thousand, two hundred sixty-one".