2221601327 has 16 divisors (see below), whose sum is σ = 2572147872. Its totient is φ = 1896376320.

The previous prime is 2221601299. The next prime is 2221601351. The reversal of 2221601327 is 7231061222.

2221601327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2221601327 - 2¹⁴ = 2221584943 is a prime.

It is a super-2 number, since 2×2221601327² = 9871024912256321858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221601296 and 2221601305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221601387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67253 + ... + 94689.

It is an arithmetic number, because the mean of its divisors is an integer number (160759242).

Almost surely, 2^2221601327 is an apocalyptic number.

2221601327 is a deficient number, since it is larger than the sum of its proper divisors (350546545).

2221601327 is a wasteful number, since it uses less digits than its factorization.

2221601327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27898.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2221601327 is about 47133.8660307003. The cubic root of 2221601327 is about 1304.8343329380.

Adding to 2221601327 its reverse (7231061222), we get a palindrome (9452662549).

The spelling of 2221601327 in words is "two billion, two hundred twenty-one million, six hundred one thousand, three hundred twenty-seven".