4225831381 has 2 divisors, whose sum is σ = 4225831382. Its totient is φ = 4225831380.

The previous prime is 4225831369. The next prime is 4225831387. The reversal of 4225831381 is 1831385224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4206171025 + 19660356 = 64855^2 + 4434^2 .

It is a cyclic number.

It is not a de Polignac number, because 4225831381 - 2¹⁷ = 4225700309 is a prime.

It is a super-2 number, since 2×4225831381² = 35715301721288734322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4225831381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4225831387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112915690 + 2112915691.

It is an arithmetic number, because the mean of its divisors is an integer number (2112915691).

Almost surely, 2^4225831381 is an apocalyptic number.

It is an amenable number.

4225831381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4225831381 is an equidigital number, since it uses as much as digits as its factorization.

4225831381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 4225831381 is about 65006.3949238842. The cubic root of 4225831381 is about 1616.7295935025.

The spelling of 4225831381 in words is "four billion, two hundred twenty-five million, eight hundred thirty-one thousand, three hundred eighty-one".