2238142365 has 24 divisors (see below), whose sum is σ = 3883186008. Its totient is φ = 1192525440.

The previous prime is 2238142343. The next prime is 2238142391. The reversal of 2238142365 is 5632418322.

2238142365 is a `hidden beast` number, since 223 + 8 + 1 + 423 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21427641 + 2216714724 = 4629^2 + 47082^2 .

It is not a de Polignac number, because 2238142365 - 2⁹ = 2238141853 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24307 + ... + 71183.

It is an arithmetic number, because the mean of its divisors is an integer number (161799417).

Almost surely, 2^2238142365 is an apocalyptic number.

It is an amenable number.

2238142365 is a deficient number, since it is larger than the sum of its proper divisors (1645043643).

2238142365 is a wasteful number, since it uses less digits than its factorization.

2238142365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47949 (or 47946 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 2238142365 is about 47309.0093428303. The cubic root of 2238142365 is about 1308.0647307555.

It can be divided in two parts, 22381 and 42365, that added together give a palindrome (64746).

The spelling of 2238142365 in words is "two billion, two hundred thirty-eight million, one hundred forty-two thousand, three hundred sixty-five".