2238154871 has 2 divisors, whose sum is σ = 2238154872. Its totient is φ = 2238154870.

The previous prime is 2238154847. The next prime is 2238154927. The reversal of 2238154871 is 1784518322.

2238154871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2238154871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2238154811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119077435 + 1119077436.

It is an arithmetic number, because the mean of its divisors is an integer number (1119077436).

Almost surely, 2^2238154871 is an apocalyptic number.

2238154871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238154871 is an equidigital number, since it uses as much as digits as its factorization.

2238154871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 41.

The square root of 2238154871 is about 47309.1415162017. The cubic root of 2238154871 is about 1308.0671670955.

The spelling of 2238154871 in words is "two billion, two hundred thirty-eight million, one hundred fifty-four thousand, eight hundred seventy-one".