1122215 has 4 divisors (see below), whose sum is σ = 1346664. Its totient is φ = 897768.

The previous prime is 1122181. The next prime is 1122227. The reversal of 1122215 is 5122211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122215 - 2¹⁰ = 1121191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112217 + ... + 112226.

It is an arithmetic number, because the mean of its divisors is an integer number (336666).

2^1122215 is an apocalyptic number.

1122215 is a deficient number, since it is larger than the sum of its proper divisors (224449).

1122215 is an equidigital number, since it uses as much as digits as its factorization.

1122215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224448.

The product of its digits is 40, while the sum is 14.

The square root of 1122215 is about 1059.3464966667. The cubic root of 1122215 is about 103.9182975177.

Adding to 1122215 its reverse (5122211), we get a palindrome (6244426).

The spelling of 1122215 in words is "one million, one hundred twenty-two thousand, two hundred fifteen".