7214221208 has 32 divisors (see below), whose sum is σ = 13715730000. Its totient is φ = 3557043840.

The previous prime is 7214221199. The next prime is 7214221211. The reversal of 7214221208 is 8021224127.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 143918 + ... + 187458.

Almost surely, 2^7214221208 is an apocalyptic number.

It is an amenable number.

7214221208 is a deficient number, since it is larger than the sum of its proper divisors (6501508792).

7214221208 is a wasteful number, since it uses less digits than its factorization.

7214221208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43835 (or 43831 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 7214221208 is about 84936.5716755745. The cubic root of 7214221208 is about 1932.2492687763.

The spelling of 7214221208 in words is "seven billion, two hundred fourteen million, two hundred twenty-one thousand, two hundred eight".