2231938448 has 10 divisors (see below), whose sum is σ = 4324380774. Its totient is φ = 1115969216.

The previous prime is 2231938447. The next prime is 2231938451. The reversal of 2231938448 is 8448391322.

It can be written as a sum of positive squares in only one way, i.e., 2224820224 + 7118224 = 47168^2 + 2668^2 .

It is a super-3 number, since 3×2231938448³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231938399 and 2231938408.

It is not an unprimeable number, because it can be changed into a prime (2231938441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69748061 + ... + 69748092.

Almost surely, 2^2231938448 is an apocalyptic number.

It is an amenable number.

2231938448 is a deficient number, since it is larger than the sum of its proper divisors (2092442326).

2231938448 is a wasteful number, since it uses less digits than its factorization.

2231938448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139496161 (or 139496155 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 2231938448 is about 47243.3958135949. The cubic root of 2231938448 is about 1306.8550021233.

The spelling of 2231938448 in words is "two billion, two hundred thirty-one million, nine hundred thirty-eight thousand, four hundred forty-eight".