2248639 has 2 divisors, whose sum is σ = 2248640. Its totient is φ = 2248638.

The previous prime is 2248637. The next prime is 2248651. The reversal of 2248639 is 9368422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2248639 - 2¹ = 2248637 is a prime.

Together with 2248637, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2248633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124319 + 1124320.

It is an arithmetic number, because the mean of its divisors is an integer number (1124320).

2^2248639 is an apocalyptic number.

2248639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248639 is an equidigital number, since it uses as much as digits as its factorization.

2248639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 2248639 is about 1499.5462647081. The cubic root of 2248639 is about 131.0106434256.

The spelling of 2248639 in words is "two million, two hundred forty-eight thousand, six hundred thirty-nine".