84122243 has 8 divisors (see below), whose sum is σ = 88074000. Its totient is φ = 80240608.

The previous prime is 84122221. The next prime is 84122249. The reversal of 84122243 is 34222148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84122243 - 2⁶ = 84122179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84122249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15068 + ... + 19881.

It is an arithmetic number, because the mean of its divisors is an integer number (11009250).

Almost surely, 2^84122243 is an apocalyptic number.

84122243 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

84122243 is a deficient number, since it is larger than the sum of its proper divisors (3951757).

84122243 is a wasteful number, since it uses less digits than its factorization.

84122243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35061.

The product of its digits is 3072, while the sum is 26.

The square root of 84122243 is about 9171.8178677948. The cubic root of 84122243 is about 438.1642576661.

The spelling of 84122243 in words is "eighty-four million, one hundred twenty-two thousand, two hundred forty-three".