2158232 has 8 divisors (see below), whose sum is σ = 4046700. Its totient is φ = 1079112.

The previous prime is 2158231. The next prime is 2158237. The reversal of 2158232 is 2328512.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2158198 and 2158207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134882 + ... + 134897.

2^2158232 is an apocalyptic number.

It is an amenable number.

2158232 is a deficient number, since it is larger than the sum of its proper divisors (1888468).

2158232 is a wasteful number, since it uses less digits than its factorization.

2158232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269785 (or 269781 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2158232 is about 1469.0922367231. The cubic root of 2158232 is about 129.2308028810.

The spelling of 2158232 in words is "two million, one hundred fifty-eight thousand, two hundred thirty-two".