84722193 has 36 divisors (see below), whose sum is σ = 130885300. Its totient is φ = 54797472.

The previous prime is 84722189. The next prime is 84722213. The reversal of 84722193 is 39122748.

It can be written as a sum of positive squares in 2 ways, for example, as 69605649 + 15116544 = 8343^2 + 3888^2 .

It is not a de Polignac number, because 84722193 - 2² = 84722189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84722173) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 242583 + ... + 242931.

Almost surely, 2^84722193 is an apocalyptic number.

It is an amenable number.

84722193 is a deficient number, since it is larger than the sum of its proper divisors (46163107).

84722193 is an frugal number, since it uses more digits than its factorization.

84722193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 389 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 84722193 is about 9204.4659269292. The cubic root of 84722193 is about 439.2034365493.

The spelling of 84722193 in words is "eighty-four million, seven hundred twenty-two thousand, one hundred ninety-three".