5272280221 has 4 divisors (see below), whose sum is σ = 5677840252. Its totient is φ = 4866720192.

The previous prime is 5272280137. The next prime is 5272280239. The reversal of 5272280221 is 1220822725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 766514596 + 4505765625 = 27686^2 + 67125^2 .

It is a cyclic number.

It is not a de Polignac number, because 5272280221 - 2²¹ = 5270183069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5272280281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202779996 + ... + 202780021.

It is an arithmetic number, because the mean of its divisors is an integer number (1419460063).

Almost surely, 2^5272280221 is an apocalyptic number.

It is an amenable number.

5272280221 is a deficient number, since it is larger than the sum of its proper divisors (405560031).

5272280221 is a wasteful number, since it uses less digits than its factorization.

5272280221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405560030.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 5272280221 is about 72610.4690867646. The cubic root of 5272280221 is about 1740.4684761598.

The spelling of 5272280221 in words is "five billion, two hundred seventy-two million, two hundred eighty thousand, two hundred twenty-one".