1442231 has 4 divisors (see below), whose sum is σ = 1648272. Its totient is φ = 1236192.

The previous prime is 1442227. The next prime is 1442251. The reversal of 1442231 is 1322441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322441 = 919 ⋅1439.

It is a cyclic number.

It is not a de Polignac number, because 1442231 - 2² = 1442227 is a prime.

It is a super-2 number, since 2×1442231² = 4160060514722, 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 (1442251) 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, 103010 + ... + 103023.

It is an arithmetic number, because the mean of its divisors is an integer number (412068).

2^1442231 is an apocalyptic number.

1442231 is a deficient number, since it is larger than the sum of its proper divisors (206041).

1442231 is an equidigital number, since it uses as much as digits as its factorization.

1442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206040.

The product of its digits is 192, while the sum is 17.

The square root of 1442231 is about 1200.9292235598. The cubic root of 1442231 is about 112.9826114680.

Adding to 1442231 its reverse (1322441), we get a palindrome (2764672).

The spelling of 1442231 in words is "one million, four hundred forty-two thousand, two hundred thirty-one".