1222895 has 8 divisors (see below), whose sum is σ = 1553904. Its totient is φ = 920704.

The previous prime is 1222889. The next prime is 1222909. The reversal of 1222895 is 5982221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222895 - 2⁶ = 1222831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7109 + ... + 7278.

It is an arithmetic number, because the mean of its divisors is an integer number (194238).

2^1222895 is an apocalyptic number.

1222895 is a deficient number, since it is larger than the sum of its proper divisors (331009).

1222895 is a wasteful number, since it uses less digits than its factorization.

1222895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14409.

The product of its digits is 2880, while the sum is 29.

The square root of 1222895 is about 1105.8458301228. The cubic root of 1222895 is about 106.9374251997.

The spelling of 1222895 in words is "one million, two hundred twenty-two thousand, eight hundred ninety-five".