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221152027 is a prime number
BaseRepresentation
bin11010010111010…
…00001100011011
3120102010200112211
431023220030123
5423103331102
633540015551
75323522045
oct1513501433
9512120484
10221152027
1110391a878
12620915b7
1336a81bb5
142152aa95
15146367d7
hexd2e831b

221152027 has 2 divisors, whose sum is σ = 221152028. Its totient is φ = 221152026.

The previous prime is 221152013. The next prime is 221152037. The reversal of 221152027 is 720251122.

221152027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221152027 - 27 = 221151899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221151989 and 221152007.

It is not a weakly prime, because it can be changed into another prime (221152037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110576013 + 110576014.

It is an arithmetic number, because the mean of its divisors is an integer number (110576014).

Almost surely, 2221152027 is an apocalyptic number.

221152027 is a deficient number, since it is larger than the sum of its proper divisors (1).

221152027 is an equidigital number, since it uses as much as digits as its factorization.

221152027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 221152027 is about 14871.1810896109. The cubic root of 221152027 is about 604.7329623140.

It can be divided in two parts, 22115 and 2027, that added together give a palindrome (24142).

The spelling of 221152027 in words is "two hundred twenty-one million, one hundred fifty-two thousand, twenty-seven".