1022438 has 16 divisors (see below), whose sum is σ = 1598400. Its totient is φ = 490176.

The previous prime is 1022429. The next prime is 1022443. The reversal of 1022438 is 8342201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6788 + ... + 6936.

It is an arithmetic number, because the mean of its divisors is an integer number (99900).

2^1022438 is an apocalyptic number.

1022438 is a deficient number, since it is larger than the sum of its proper divisors (575962).

1022438 is a wasteful number, since it uses less digits than its factorization.

1022438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1022438 is about 1011.1567633162. The cubic root of 1022438 is about 100.7424079972.

Adding to 1022438 its reverse (8342201), we get a palindrome (9364639).

The spelling of 1022438 in words is "one million, twenty-two thousand, four hundred thirty-eight".