2238130487 has 4 divisors (see below), whose sum is σ = 2240891016. Its totient is φ = 2235369960.

The previous prime is 2238130469. The next prime is 2238130507. The reversal of 2238130487 is 7840318322.

2238130487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7840318322 = 2 ⋅3920159161.

It is a cyclic number.

It is not a de Polignac number, because 2238130487 - 2⁶ = 2238130423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2238130487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238130417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379048 + ... + 1380669.

It is an arithmetic number, because the mean of its divisors is an integer number (560222754).

Almost surely, 2^2238130487 is an apocalyptic number.

2238130487 is a deficient number, since it is larger than the sum of its proper divisors (2760529).

2238130487 is an equidigital number, since it uses as much as digits as its factorization.

2238130487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760528.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2238130487 is about 47308.8838063212. The cubic root of 2238130487 is about 1308.0624167501.

The spelling of 2238130487 in words is "two billion, two hundred thirty-eight million, one hundred thirty thousand, four hundred eighty-seven".