2248415891 has 2 divisors, whose sum is σ = 2248415892. Its totient is φ = 2248415890.

The previous prime is 2248415887. The next prime is 2248415927. The reversal of 2248415891 is 1985148422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2248415891 - 2² = 2248415887 is a prime.

It is not a weakly prime, because it can be changed into another prime (2248415881) 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 as a sum of consecutive naturals, namely, 1124207945 + 1124207946.

It is an arithmetic number, because the mean of its divisors is an integer number (1124207946).

Almost surely, 2^2248415891 is an apocalyptic number.

2248415891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248415891 is an equidigital number, since it uses as much as digits as its factorization.

2248415891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 44.

The square root of 2248415891 is about 47417.4639874382. The cubic root of 2248415891 is about 1310.0631034226.

The spelling of 2248415891 in words is "two billion, two hundred forty-eight million, four hundred fifteen thousand, eight hundred ninety-one".