1222395 has 16 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 647264.

The previous prime is 1222393. The next prime is 1222409. The reversal of 1222395 is 5932221.

It is a cyclic number.

It is not a de Polignac number, because 1222395 - 2¹ = 1222393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3226 + ... + 3584.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^1222395 is an apocalyptic number.

1222395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222395 is a deficient number, since it is larger than the sum of its proper divisors (747525).

1222395 is a wasteful number, since it uses less digits than its factorization.

1222395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 1080, while the sum is 24.

The square root of 1222395 is about 1105.6197357139. The cubic root of 1222395 is about 106.9228488593.

The spelling of 1222395 in words is "one million, two hundred twenty-two thousand, three hundred ninety-five".