1222025 has 12 divisors (see below), whose sum is σ = 1732032. Its totient is φ = 837840.

The previous prime is 1222019. The next prime is 1222027. The reversal of 1222025 is 5202221.

It is a de Polignac number, because none of the positive numbers 2^k-1222025 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3317 + ... + 3666.

It is an arithmetic number, because the mean of its divisors is an integer number (144336).

2^1222025 is an apocalyptic number.

It is an amenable number.

1222025 is a deficient number, since it is larger than the sum of its proper divisors (510007).

1222025 is an equidigital number, since it uses as much as digits as its factorization.

1222025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1222025 is about 1105.4523960804. The cubic root of 1222025 is about 106.9120598082.

Adding to 1222025 its reverse (5202221), we get a palindrome (6424246).

The spelling of 1222025 in words is "one million, two hundred twenty-two thousand, twenty-five".