84322144 has 24 divisors (see below), whose sum is σ = 166229280. Its totient is φ = 42105216.

The previous prime is 84322129. The next prime is 84322153. The reversal of 84322144 is 44122348.

It is a happy number.

It is a super-2 number, since 2×84322144² = 14220447937513472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34102 + ... + 36490.

It is an arithmetic number, because the mean of its divisors is an integer number (6926220).

Almost surely, 2^84322144 is an apocalyptic number.

It is an amenable number.

84322144 is a deficient number, since it is larger than the sum of its proper divisors (81907136).

84322144 is a wasteful number, since it uses less digits than its factorization.

84322144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3494 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 84322144 is about 9182.7089684907. The cubic root of 84322144 is about 438.5110553006.

The spelling of 84322144 in words is "eighty-four million, three hundred twenty-two thousand, one hundred forty-four".