1022342 has 4 divisors (see below), whose sum is σ = 1533516. Its totient is φ = 511170.

The previous prime is 1022341. The next prime is 1022377. The reversal of 1022342 is 2432201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2432201 = 29 ⋅83869.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255584 + ... + 255587.

It is an arithmetic number, because the mean of its divisors is an integer number (383379).

2^1022342 is an apocalyptic number.

1022342 is a deficient number, since it is larger than the sum of its proper divisors (511174).

1022342 is an equidigital number, since it uses as much as digits as its factorization.

1022342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511173.

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

The square root of 1022342 is about 1011.1092918177. The cubic root of 1022342 is about 100.7392548887.

Adding to 1022342 its reverse (2432201), we get a palindrome (3454543).

The spelling of 1022342 in words is "one million, twenty-two thousand, three hundred forty-two".