2231405425 has 6 divisors (see below), whose sum is σ = 2766942758. Its totient is φ = 1785124320.

The previous prime is 2231405413. The next prime is 2231405461. The reversal of 2231405425 is 5245041322.

It can be written as a sum of positive squares in 3 ways, for example, as 745071616 + 1486333809 = 27296^2 + 38553^2 .

It is not a de Polignac number, because 2231405425 - 2²¹ = 2229308273 is a prime.

It is a super-3 number, since 3×2231405425³ (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 = 2231405393 and 2231405402.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 44628084 + ... + 44628133.

Almost surely, 2^2231405425 is an apocalyptic number.

2231405425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2231405425 is a deficient number, since it is larger than the sum of its proper divisors (535537333).

2231405425 is an equidigital number, since it uses as much as digits as its factorization.

2231405425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89256227 (or 89256222 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2231405425 is about 47237.7542332402. The cubic root of 2231405425 is about 1306.7509611369.

Adding to 2231405425 its reverse (5245041322), we get a palindrome (7476446747).

The spelling of 2231405425 in words is "two billion, two hundred thirty-one million, four hundred five thousand, four hundred twenty-five".