1122223031 has 2 divisors, whose sum is σ = 1122223032. Its totient is φ = 1122223030.

The previous prime is 1122223027. The next prime is 1122223051. The reversal of 1122223031 is 1303222211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1303222211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122223031 - 2² = 1122223027 is a prime.

It is a super-2 number, since 2×1122223031² = 2518769062613653922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122223021) 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 as a sum of consecutive naturals, namely, 561111515 + 561111516.

It is an arithmetic number, because the mean of its divisors is an integer number (561111516).

Almost surely, 2^1122223031 is an apocalyptic number.

1122223031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122223031 is an equidigital number, since it uses as much as digits as its factorization.

1122223031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1122223031 is about 33499.5974751936. The cubic root of 1122223031 is about 1039.1854541011.

Adding to 1122223031 its reverse (1303222211), we get a palindrome (2425445242).

The spelling of 1122223031 in words is "one billion, one hundred twenty-two million, two hundred twenty-three thousand, thirty-one".