428522027 has 2 divisors, whose sum is σ = 428522028. Its totient is φ = 428522026.

The previous prime is 428521997. The next prime is 428522069. The reversal of 428522027 is 720225824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428522027 - 2⁶ = 428521963 is a prime.

It is a super-2 number, since 2×428522027² = 367262255248377458, which contains 22 as substring.

It is equal to p_22773830 and since 428522027 and 22773830 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 428521984 and 428522002.

It is not a weakly prime, because it can be changed into another prime (428522527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214261013 + 214261014.

It is an arithmetic number, because the mean of its divisors is an integer number (214261014).

Almost surely, 2^428522027 is an apocalyptic number.

428522027 is a deficient number, since it is larger than the sum of its proper divisors (1).

428522027 is an equidigital number, since it uses as much as digits as its factorization.

428522027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 428522027 is about 20700.7735845789. The cubic root of 428522027 is about 753.9184707584.

The spelling of 428522027 in words is "four hundred twenty-eight million, five hundred twenty-two thousand, twenty-seven".