28220667043 has 2 divisors, whose sum is σ = 28220667044. Its totient is φ = 28220667042.

The previous prime is 28220667037. The next prime is 28220667091. The reversal of 28220667043 is 34076602282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28220667043 - 2⁹ = 28220666531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28220666987 and 28220667005.

It is not a weakly prime, because it can be changed into another prime (28220667023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14110333521 + 14110333522.

It is an arithmetic number, because the mean of its divisors is an integer number (14110333522).

Almost surely, 2^28220667043 is an apocalyptic number.

28220667043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28220667043 is an equidigital number, since it uses as much as digits as its factorization.

28220667043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 28220667043 in words is "twenty-eight billion, two hundred twenty million, six hundred sixty-seven thousand, forty-three".