2721500227 has 2 divisors, whose sum is σ = 2721500228. Its totient is φ = 2721500226.

The previous prime is 2721500209. The next prime is 2721500237. The reversal of 2721500227 is 7220051272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2721500227 - 2¹¹ = 2721498179 is a prime.

It is a super-2 number, since 2×2721500227² = 14813126971122103058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2721500195 and 2721500204.

It is not a weakly prime, because it can be changed into another prime (2721500237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360750113 + 1360750114.

It is an arithmetic number, because the mean of its divisors is an integer number (1360750114).

Almost surely, 2^2721500227 is an apocalyptic number.

2721500227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721500227 is an equidigital number, since it uses as much as digits as its factorization.

2721500227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 2721500227 is about 52168.0000287533. Note that the first 4 decimals coincide. The cubic root of 2721500227 is about 1396.1630014879.

Adding to 2721500227 its reverse (7220051272), we get a palindrome (9941551499).

The spelling of 2721500227 in words is "two billion, seven hundred twenty-one million, five hundred thousand, two hundred twenty-seven".