1222341331 has 4 divisors (see below), whose sum is σ = 1222505064. Its totient is φ = 1222177600.

The previous prime is 1222341311. The next prime is 1222341353. The reversal of 1222341331 is 1331432221.

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 1222341331 - 2⁵ = 1222341299 is a prime.

It is a super-2 number, since 2×1222341331² = 2988236658941703122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222341311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70105 + ... + 85786.

It is an arithmetic number, because the mean of its divisors is an integer number (305626266).

Almost surely, 2^1222341331 is an apocalyptic number.

1222341331 is a deficient number, since it is larger than the sum of its proper divisors (163733).

1222341331 is an equidigital number, since it uses as much as digits as its factorization.

1222341331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163732.

The product of its digits is 864, while the sum is 22.

The square root of 1222341331 is about 34961.9983839597. The cubic root of 1222341331 is about 1069.2128402790.

Adding to 1222341331 its reverse (1331432221), we get a palindrome (2553773552).

The spelling of 1222341331 in words is "one billion, two hundred twenty-two million, three hundred forty-one thousand, three hundred thirty-one".