1238422 has 8 divisors (see below), whose sum is σ = 1888272. Its totient is φ = 609000.

The previous prime is 1238411. The next prime is 1238423. The reversal of 1238422 is 2248321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1238393 and 1238402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238423) 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 in 3 ways as a sum of consecutive naturals, for example, 4954 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (236034).

2^1238422 is an apocalyptic number.

1238422 is a deficient number, since it is larger than the sum of its proper divisors (649850).

1238422 is a wasteful number, since it uses less digits than its factorization.

1238422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214.

The product of its digits is 768, while the sum is 22.

The square root of 1238422 is about 1112.8441040865. The cubic root of 1238422 is about 107.3881150681.

The spelling of 1238422 in words is "one million, two hundred thirty-eight thousand, four hundred twenty-two".