7314556221 has 24 divisors (see below), whose sum is σ = 12785108544. Its totient is φ = 3933878400.

The previous prime is 7314556213. The next prime is 7314556231. The reversal of 7314556221 is 1226554137.

7314556221 is a `hidden beast` number, since 7 + 31 + 45 + 562 + 21 = 666.

It is not a de Polignac number, because 7314556221 - 2³ = 7314556213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7314556231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3413755 + ... + 3415896.

It is an arithmetic number, because the mean of its divisors is an integer number (532712856).

Almost surely, 2^7314556221 is an apocalyptic number.

It is an amenable number.

7314556221 is a deficient number, since it is larger than the sum of its proper divisors (5470552323).

7314556221 is a wasteful number, since it uses less digits than its factorization.

7314556221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829681 (or 6829678 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 7314556221 is about 85525.1788714879. The cubic root of 7314556221 is about 1941.1659322385.

The spelling of 7314556221 in words is "seven billion, three hundred fourteen million, five hundred fifty-six thousand, two hundred twenty-one".