1620848227 has 2 divisors, whose sum is σ = 1620848228. Its totient is φ = 1620848226.

The previous prime is 1620848213. The next prime is 1620848239. The reversal of 1620848227 is 7228480261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1620848227 - 2¹⁵ = 1620815459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1620848227.

It is not a weakly prime, because it can be changed into another prime (1620848027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810424113 + 810424114.

It is an arithmetic number, because the mean of its divisors is an integer number (810424114).

Almost surely, 2^1620848227 is an apocalyptic number.

1620848227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1620848227 is an equidigital number, since it uses as much as digits as its factorization.

1620848227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 1620848227 is about 40259.7594006720. The cubic root of 1620848227 is about 1174.6652378466.

The spelling of 1620848227 in words is "one billion, six hundred twenty million, eight hundred forty-eight thousand, two hundred twenty-seven".