2231529 has 8 divisors (see below), whose sum is σ = 3104832. Its totient is φ = 1422960.

The previous prime is 2231519. The next prime is 2231533. The reversal of 2231529 is 9251322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2231529 - 2¹⁵ = 2198761 is a prime.

It is a super-3 number, since 3×2231529³ = 33337180008092546667, which contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2231499 and 2231508.

It is not an unprimeable number, because it can be changed into a prime (2231519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16102 + ... + 16239.

It is an arithmetic number, because the mean of its divisors is an integer number (388104).

2^2231529 is an apocalyptic number.

It is an amenable number.

2231529 is a deficient number, since it is larger than the sum of its proper divisors (873303).

2231529 is a wasteful number, since it uses less digits than its factorization.

2231529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32367.

The product of its digits is 1080, while the sum is 24.

The square root of 2231529 is about 1493.8303116485. The cubic root of 2231529 is about 130.6775083269.

The spelling of 2231529 in words is "two million, two hundred thirty-one thousand, five hundred twenty-nine".