1222535 has 4 divisors (see below), whose sum is σ = 1467048. Its totient is φ = 978024.

The previous prime is 1222523. The next prime is 1222537. The reversal of 1222535 is 5352221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222535 - 2⁶ = 1222471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122249 + ... + 122258.

It is an arithmetic number, because the mean of its divisors is an integer number (366762).

2^1222535 is an apocalyptic number.

1222535 is a deficient number, since it is larger than the sum of its proper divisors (244513).

1222535 is an equidigital number, since it uses as much as digits as its factorization.

1222535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244512.

The product of its digits is 600, while the sum is 20.

The square root of 1222535 is about 1105.6830468086. The cubic root of 1222535 is about 106.9269306352.

Adding to 1222535 its reverse (5352221), we get a palindrome (6574756).

The spelling of 1222535 in words is "one million, two hundred twenty-two thousand, five hundred thirty-five".