220001827 has 2 divisors, whose sum is σ = 220001828. Its totient is φ = 220001826.

The previous prime is 220001819. The next prime is 220001843. The reversal of 220001827 is 728100022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220001827 - 2³ = 220001819 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 220001798 and 220001807.

It is not a weakly prime, because it can be changed into another prime (220001857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000913 + 110000914.

It is an arithmetic number, because the mean of its divisors is an integer number (110000914).

Almost surely, 2^220001827 is an apocalyptic number.

220001827 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001827 is an equidigital number, since it uses as much as digits as its factorization.

220001827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 220001827 is about 14832.4585622209. The cubic root of 220001827 is about 603.6827447741.

Adding to 220001827 its reverse (728100022), we get a palindrome (948101849).

The spelling of 220001827 in words is "two hundred twenty million, one thousand, eight hundred twenty-seven".