1942231 has 4 divisors (see below), whose sum is σ = 1962352. Its totient is φ = 1922112.

The previous prime is 1942207. The next prime is 1942273. The reversal of 1942231 is 1322491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1942231 - 2¹⁵ = 1909463 is a prime.

It is a super-2 number, since 2×1942231² = 7544522514722, which contains 22 as substring.

It is a Duffinian number.

1942231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9915 + ... + 10108.

It is an arithmetic number, because the mean of its divisors is an integer number (490588).

2^1942231 is an apocalyptic number.

1942231 is a deficient number, since it is larger than the sum of its proper divisors (20121).

1942231 is an equidigital number, since it uses as much as digits as its factorization.

1942231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120.

The product of its digits is 432, while the sum is 22.

The square root of 1942231 is about 1393.6394799230. The cubic root of 1942231 is about 124.7671612248.

The spelling of 1942231 in words is "one million, nine hundred forty-two thousand, two hundred thirty-one".