1222017 has 8 divisors (see below), whose sum is σ = 1667424. Its totient is φ = 795648.

The previous prime is 1222003. The next prime is 1222019. The reversal of 1222017 is 7102221.

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

It is not a de Polignac number, because 1222017 - 2⁸ = 1221761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1221987 and 1222005.

It is not an unprimeable number, because it can be changed into a prime (1222019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4608 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (208428).

2^1222017 is an apocalyptic number.

It is an amenable number.

1222017 is a deficient number, since it is larger than the sum of its proper divisors (445407).

1222017 is an equidigital number, since it uses as much as digits as its factorization.

1222017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1222017 is about 1105.4487776464. The cubic root of 1222017 is about 106.9118265074.

Adding to 1222017 its reverse (7102221), we get a palindrome (8324238).

The spelling of 1222017 in words is "one million, two hundred twenty-two thousand, seventeen".