2042231 has 4 divisors (see below), whose sum is σ = 2045472. Its totient is φ = 2038992.

The previous prime is 2042221. The next prime is 2042233. The reversal of 2042231 is 1322402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322402 = 2 ⋅661201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042231 is a prime.

It is a super-2 number, since 2×2042231² = 8341414914722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (511368).

2^2042231 is an apocalyptic number.

2042231 is a deficient number, since it is larger than the sum of its proper divisors (3241).

2042231 is an equidigital number, since it uses as much as digits as its factorization.

2042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2042231 is about 1429.0664785097. The cubic root of 2042231 is about 126.8727309162.

Adding to 2042231 its reverse (1322402), we get a palindrome (3364633).

The spelling of 2042231 in words is "two million, forty-two thousand, two hundred thirty-one".