1222995 has 8 divisors (see below), whose sum is σ = 1956816. Its totient is φ = 652256.

The previous prime is 1222993. The next prime is 1223003. The reversal of 1222995 is 5992221.

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 1222995 - 2¹ = 1222993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222993) 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, 40752 + ... + 40781.

It is an arithmetic number, because the mean of its divisors is an integer number (244602).

2^1222995 is an apocalyptic number.

1222995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222995 is a deficient number, since it is larger than the sum of its proper divisors (733821).

1222995 is an equidigital number, since it uses as much as digits as its factorization.

1222995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81541.

The product of its digits is 3240, while the sum is 30.

The square root of 1222995 is about 1105.8910434577. The cubic root of 1222995 is about 106.9403399910.

The spelling of 1222995 in words is "one million, two hundred twenty-two thousand, nine hundred ninety-five".