1121222324 has 12 divisors (see below), whose sum is σ = 1966673604. Its totient is φ = 559315584.

The previous prime is 1121222279. The next prime is 1121222327. The reversal of 1121222324 is 4232221211.

It can be written as a sum of positive squares in 2 ways, for example, as 75864100 + 1045358224 = 8710^2 + 32332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121222296 and 1121222305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222327) 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, 321947 + ... + 325410.

It is an arithmetic number, because the mean of its divisors is an integer number (163889467).

Almost surely, 2^1121222324 is an apocalyptic number.

It is an amenable number.

1121222324 is a deficient number, since it is larger than the sum of its proper divisors (845451280).

1121222324 is a wasteful number, since it uses less digits than its factorization.

1121222324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647794 (or 647792 counting only the distinct ones).

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

The square root of 1121222324 is about 33484.6580391677. The cubic root of 1121222324 is about 1038.8764752891.

Adding to 1121222324 its reverse (4232221211), we get a palindrome (5353443535).

The spelling of 1121222324 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, three hundred twenty-four".