1115421322 has 4 divisors (see below), whose sum is σ = 1673131986. Its totient is φ = 557710660.

The previous prime is 1115421319. The next prime is 1115421331. The reversal of 1115421322 is 2231245111.

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

It can be written as a sum of positive squares in only one way, i.e., 567440041 + 547981281 = 23821^2 + 23409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1115421293 and 1115421302.

It is an unprimeable number.

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, 278855329 + ... + 278855332.

Almost surely, 2^1115421322 is an apocalyptic number.

1115421322 is a deficient number, since it is larger than the sum of its proper divisors (557710664).

1115421322 is an equidigital number, since it uses as much as digits as its factorization.

1115421322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557710663.

The product of its digits is 480, while the sum is 22.

The square root of 1115421322 is about 33397.9239175132. The cubic root of 1115421322 is about 1037.0817233347.

Adding to 1115421322 its reverse (2231245111), we get a palindrome (3346666433).

The spelling of 1115421322 in words is "one billion, one hundred fifteen million, four hundred twenty-one thousand, three hundred twenty-two".