84322272 has 48 divisors (see below), whose sum is σ = 221819472. Its totient is φ = 28047360.

The previous prime is 84322243. The next prime is 84322283. The reversal of 84322272 is 27222348.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×84322272² = 14220491110483968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84078 + ... + 85074.

It is an arithmetic number, because the mean of its divisors is an integer number (4621239).

Almost surely, 2^84322272 is an apocalyptic number.

It is an amenable number.

84322272 is an abundant number, since it is smaller than the sum of its proper divisors (137497200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84322272 is a wasteful number, since it uses less digits than its factorization.

84322272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891 (or 1883 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 84322272 is about 9182.7159381089. The cubic root of 84322272 is about 438.5112771853.

The spelling of 84322272 in words is "eighty-four million, three hundred twenty-two thousand, two hundred seventy-two".