1022236 has 12 divisors (see below), whose sum is σ = 1837528. Its totient is φ = 497232.

The previous prime is 1022209. The next prime is 1022237. The reversal of 1022236 is 6322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022237) 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, 3306 + ... + 3601.

2^1022236 is an apocalyptic number.

It is an amenable number.

1022236 is a deficient number, since it is larger than the sum of its proper divisors (815292).

1022236 is a wasteful number, since it uses less digits than its factorization.

1022236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6946 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1022236 is about 1011.0568727821. The cubic root of 1022236 is about 100.7357731021.

Adding to 1022236 its reverse (6322201), we get a palindrome (7344437).

The spelling of 1022236 in words is "one million, twenty-two thousand, two hundred thirty-six".