84222793 has 2 divisors, whose sum is σ = 84222794. Its totient is φ = 84222792.

The previous prime is 84222773. The next prime is 84222797. The reversal of 84222793 is 39722248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84052224 + 170569 = 9168^2 + 413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84222793 is a prime.

It is a super-3 number, since 3×84222793³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (84222797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42111396 + 42111397.

It is an arithmetic number, because the mean of its divisors is an integer number (42111397).

Almost surely, 2^84222793 is an apocalyptic number.

It is an amenable number.

84222793 is a deficient number, since it is larger than the sum of its proper divisors (1).

84222793 is an equidigital number, since it uses as much as digits as its factorization.

84222793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 84222793 is about 9177.2976959451. The cubic root of 84222793 is about 438.3387651149.

The spelling of 84222793 in words is "eighty-four million, two hundred twenty-two thousand, seven hundred ninety-three".