1222124331 has 4 divisors (see below), whose sum is σ = 1629499112. Its totient is φ = 814749552.

The previous prime is 1222124329. The next prime is 1222124333. The reversal of 1222124331 is 1334212221.

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

It is an interprime number because it is at equal distance from previous prime (1222124329) and next prime (1222124333).

It is not a de Polignac number, because 1222124331 - 2¹ = 1222124329 is a prime.

It is a super-2 number, since 2×1222124331² = 2987175760844395122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222124298 and 1222124307.

It is not an unprimeable number, because it can be changed into a prime (1222124333) 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 3 ways as a sum of consecutive naturals, for example, 203687386 + ... + 203687391.

It is an arithmetic number, because the mean of its divisors is an integer number (407374778).

Almost surely, 2^1222124331 is an apocalyptic number.

1222124331 is a deficient number, since it is larger than the sum of its proper divisors (407374781).

1222124331 is an equidigital number, since it uses as much as digits as its factorization.

1222124331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407374780.

The product of its digits is 576, while the sum is 21.

The square root of 1222124331 is about 34958.8948766977. The cubic root of 1222124331 is about 1069.1495647405.

Adding to 1222124331 its reverse (1334212221), we get a palindrome (2556336552).

The spelling of 1222124331 in words is "one billion, two hundred twenty-two million, one hundred twenty-four thousand, three hundred thirty-one".