1122211 has 8 divisors (see below), whose sum is σ = 1165248. Its totient is φ = 1080000.

The previous prime is 1122181. The next prime is 1122227.

1122211 is nontrivially palindromic in base 10.

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

It is a 6-Lehmer number, since φ(1122211) divides (1122211-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 1122211 - 2⁵ = 1122179 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1122241) 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 7 ways as a sum of consecutive naturals, for example, 4006 + ... + 4276.

It is an arithmetic number, because the mean of its divisors is an integer number (145656).

2^1122211 is an apocalyptic number.

1122211 is a deficient number, since it is larger than the sum of its proper divisors (43037).

1122211 is a wasteful number, since it uses less digits than its factorization.

1122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 8, while the sum is 10.

The square root of 1122211 is about 1059.3446087086. The cubic root of 1122211 is about 103.9181740494.

It can be divided in two parts, 11 and 22211, that added together give a palindrome (22222).

The spelling of 1122211 in words is "one million, one hundred twenty-two thousand, two hundred eleven".