7122221482 has 4 divisors (see below), whose sum is σ = 10683332226. Its totient is φ = 3561110740.

The previous prime is 7122221467. The next prime is 7122221503. The reversal of 7122221482 is 2841222217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2841222217 = 52517 ⋅54101.

It can be written as a sum of positive squares in only one way, i.e., 3972654841 + 3149566641 = 63029^2 + 56121^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780555369 + ... + 1780555372.

Almost surely, 2^7122221482 is an apocalyptic number.

7122221482 is a deficient number, since it is larger than the sum of its proper divisors (3561110744).

7122221482 is a wasteful number, since it uses less digits than its factorization.

7122221482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561110743.

The product of its digits is 7168, while the sum is 31.

The square root of 7122221482 is about 84393.2549555946. The cubic root of 7122221482 is about 1924.0004014289. Note that the first 3 decimals are identical.

Adding to 7122221482 its reverse (2841222217), we get a palindrome (9963443699).

The spelling of 7122221482 in words is "seven billion, one hundred twenty-two million, two hundred twenty-one thousand, four hundred eighty-two".