2232857138 has 6 divisors (see below), whose sum is σ = 3349385949. Its totient is φ = 1116395156.

The previous prime is 2232857101. The next prime is 2232857147. The reversal of 2232857138 is 8317582322.

It can be written as a sum of positive squares in 2 ways, for example, as 1522794529 + 710062609 = 39023^2 + 26647^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33413.

It is a super-3 number, since 3×2232857138³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2232857095 and 2232857104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50120 + ... + 83532.

Almost surely, 2^2232857138 is an apocalyptic number.

2232857138 is a deficient number, since it is larger than the sum of its proper divisors (1116528811).

2232857138 is an frugal number, since it uses more digits than its factorization.

2232857138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66828 (or 33415 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 2232857138 is about 47253.1177595722. The cubic root of 2232857138 is about 1307.0342827444.

The spelling of 2232857138 in words is "two billion, two hundred thirty-two million, eight hundred fifty-seven thousand, one hundred thirty-eight".