2021238227 has 2 divisors, whose sum is σ = 2021238228. Its totient is φ = 2021238226.

The previous prime is 2021238217. The next prime is 2021238281. The reversal of 2021238227 is 7228321202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021238227 - 2⁴ = 2021238211 is a prime.

It is a super-2 number, since 2×2021238227² = 8170807940572207058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021238227.

It is not a weakly prime, because it can be changed into another prime (2021238217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010619113 + 1010619114.

It is an arithmetic number, because the mean of its divisors is an integer number (1010619114).

Almost surely, 2^2021238227 is an apocalyptic number.

2021238227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021238227 is an equidigital number, since it uses as much as digits as its factorization.

2021238227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2021238227 is about 44958.1830927363. The cubic root of 2021238227 is about 1264.3651043906.

Adding to 2021238227 its reverse (7228321202), we get a palindrome (9249559429).

The spelling of 2021238227 in words is "two billion, twenty-one million, two hundred thirty-eight thousand, two hundred twenty-seven".