1222321124 has 12 divisors (see below), whose sum is σ = 2154676524. Its totient is φ = 606699264.

The previous prime is 1222321099. The next prime is 1222321127. The reversal of 1222321124 is 4211232221.

It can be written as a sum of positive squares in 2 ways, for example, as 331895524 + 890425600 = 18218^2 + 29840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222321096 and 1222321105.

It is not an unprimeable number, because it can be changed into a prime (1222321127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114709 + ... + 1115804.

It is an arithmetic number, because the mean of its divisors is an integer number (179556377).

Almost surely, 2^1222321124 is an apocalyptic number.

It is an amenable number.

1222321124 is a deficient number, since it is larger than the sum of its proper divisors (932355400).

1222321124 is a wasteful number, since it uses less digits than its factorization.

1222321124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230654 (or 2230652 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1222321124 is about 34961.7093975681. The cubic root of 1222321124 is about 1069.2069483887.

Adding to 1222321124 its reverse (4211232221), we get a palindrome (5433553345).

The spelling of 1222321124 in words is "one billion, two hundred twenty-two million, three hundred twenty-one thousand, one hundred twenty-four".