84222385 has 16 divisors (see below), whose sum is σ = 109927440. Its totient is φ = 61574400.

The previous prime is 84222367. The next prime is 84222419. The reversal of 84222385 is 58322248.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2663424 + 81558961 = 1632^2 + 9031^2 .

It is not a de Polignac number, because 84222385 - 2⁹ = 84221873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84222385.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151 + ... + 12979.

It is an arithmetic number, because the mean of its divisors is an integer number (6870465).

Almost surely, 2^84222385 is an apocalyptic number.

It is an amenable number.

84222385 is a deficient number, since it is larger than the sum of its proper divisors (25705055).

84222385 is a wasteful number, since it uses less digits than its factorization.

84222385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12948.

The product of its digits is 30720, while the sum is 34.

The square root of 84222385 is about 9177.2754671525. The cubic root of 84222385 is about 438.3380572998.

The spelling of 84222385 in words is "eighty-four million, two hundred twenty-two thousand, three hundred eighty-five".