1533221122 has 8 divisors (see below), whose sum is σ = 2348764416. Its totient is φ = 750299652.

The previous prime is 1533221087. The next prime is 1533221167. The reversal of 1533221122 is 2211223351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1533221093 and 1533221102.

It is an unprimeable number.

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, 8155338 + ... + 8155525.

It is an arithmetic number, because the mean of its divisors is an integer number (293595552).

Almost surely, 2^1533221122 is an apocalyptic number.

1533221122 is a deficient number, since it is larger than the sum of its proper divisors (815543294).

1533221122 is a wasteful number, since it uses less digits than its factorization.

1533221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16310912.

The product of its digits is 720, while the sum is 22.

The square root of 1533221122 is about 39156.3675792329. The cubic root of 1533221122 is about 1153.1034314231.

Adding to 1533221122 its reverse (2211223351), we get a palindrome (3744444473).

The spelling of 1533221122 in words is "one billion, five hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-two".