1122206 has 4 divisors (see below), whose sum is σ = 1683312. Its totient is φ = 561102.

The previous prime is 1122181. The next prime is 1122227. The reversal of 1122206 is 6022211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6022211 = 13 ⋅463247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280550 + ... + 280553.

It is an arithmetic number, because the mean of its divisors is an integer number (420828).

2^1122206 is an apocalyptic number.

1122206 is a deficient number, since it is larger than the sum of its proper divisors (561106).

1122206 is an equidigital number, since it uses as much as digits as its factorization.

1122206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561105.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1122206 is about 1059.3422487563. The cubic root of 1122206 is about 103.9180197137.

Adding to 1122206 its reverse (6022211), we get a palindrome (7144417).

It can be divided in two parts, 1122 and 206, that multiplied together give a palindrome (231132).

The spelling of 1122206 in words is "one million, one hundred twenty-two thousand, two hundred six".