2231533425 has 36 divisors (see below), whose sum is σ = 4055382800. Its totient is φ = 1081951200.

The previous prime is 2231533361. The next prime is 2231533433. The reversal of 2231533425 is 5243351322.

It is not a de Polignac number, because 2231533425 - 2⁶ = 2231533361 is a prime.

It is a super-3 number, since 3×2231533425³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2231533392 and 2231533401.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 113875 + ... + 132024.

Almost surely, 2^2231533425 is an apocalyptic number.

2231533425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2231533425 is a deficient number, since it is larger than the sum of its proper divisors (1823849375).

2231533425 is a wasteful number, since it uses less digits than its factorization.

2231533425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245934 (or 245918 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 2231533425 is about 47239.1090623013. The cubic root of 2231533425 is about 1306.7759470230.

Adding to 2231533425 its reverse (5243351322), we get a palindrome (7474884747).

The spelling of 2231533425 in words is "two billion, two hundred thirty-one million, five hundred thirty-three thousand, four hundred twenty-five".