4580221516 has 24 divisors (see below), whose sum is σ = 8633796080. Its totient is φ = 2113497792.

The previous prime is 4580221493. The next prime is 4580221519. The reversal of 4580221516 is 6151220854.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4580221519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471355 + ... + 480973.

Almost surely, 2^4580221516 is an apocalyptic number.

It is an amenable number.

4580221516 is a deficient number, since it is larger than the sum of its proper divisors (4053574564).

4580221516 is a wasteful number, since it uses less digits than its factorization.

4580221516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18793 (or 18791 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 4580221516 is about 67677.3338422843. Note that the first 3 decimals coincide. The cubic root of 4580221516 is about 1660.7164754456.

The spelling of 4580221516 in words is "four billion, five hundred eighty million, two hundred twenty-one thousand, five hundred sixteen".