2238487 has 2 divisors, whose sum is σ = 2238488. Its totient is φ = 2238486.

The previous prime is 2238473. The next prime is 2238491. The reversal of 2238487 is 7848322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2238487 - 2⁷ = 2238359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2238287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119243 + 1119244.

It is an arithmetic number, because the mean of its divisors is an integer number (1119244).

2^2238487 is an apocalyptic number.

2238487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238487 is an equidigital number, since it uses as much as digits as its factorization.

2238487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 34.

The square root of 2238487 is about 1496.1574115046. The cubic root of 2238487 is about 130.8131867050.

The spelling of 2238487 in words is "two million, two hundred thirty-eight thousand, four hundred eighty-seven".