1238222 has 4 divisors (see below), whose sum is σ = 1857336. Its totient is φ = 619110.

The previous prime is 1238219. The next prime is 1238267. The reversal of 1238222 is 2228321.

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

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1238194 and 1238203.

It is a congruent number.

It is an unprimeable number.

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, 309554 + ... + 309557.

It is an arithmetic number, because the mean of its divisors is an integer number (464334).

2^1238222 is an apocalyptic number.

1238222 is a deficient number, since it is larger than the sum of its proper divisors (619114).

1238222 is an equidigital number, since it uses as much as digits as its factorization.

1238222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619113.

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

The square root of 1238222 is about 1112.7542406120. The cubic root of 1238222 is about 107.3823338457.

Subtracting 1238222 from its reverse (2228321), we obtain a palindrome (990099).

The spelling of 1238222 in words is "one million, two hundred thirty-eight thousand, two hundred twenty-two".