84122259 has 16 divisors (see below), whose sum is σ = 122841600. Its totient is φ = 50888736.

The previous prime is 84122257. The next prime is 84122267. The reversal of 84122259 is 95222148.

It is not a de Polignac number, because 84122259 - 2¹ = 84122257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84122257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15979 + ... + 20580.

It is an arithmetic number, because the mean of its divisors is an integer number (7677600).

Almost surely, 2^84122259 is an apocalyptic number.

84122259 is a deficient number, since it is larger than the sum of its proper divisors (38719341).

84122259 is a wasteful number, since it uses less digits than its factorization.

84122259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36634.

The product of its digits is 11520, while the sum is 33.

The square root of 84122259 is about 9171.8187400319. The cubic root of 84122259 is about 438.1642854456.

The spelling of 84122259 in words is "eighty-four million, one hundred twenty-two thousand, two hundred fifty-nine".