84810722 has 8 divisors (see below), whose sum is σ = 134699436. Its totient is φ = 39910912.

The previous prime is 84810659. The next prime is 84810731. The reversal of 84810722 is 22701848.

It can be written as a sum of positive squares in 2 ways, for example, as 84805681 + 5041 = 9209^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×84810722² = 14385717132322568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247183 + ... + 1247250.

Almost surely, 2^84810722 is an apocalyptic number.

84810722 is a deficient number, since it is larger than the sum of its proper divisors (49888714).

84810722 is a wasteful number, since it uses less digits than its factorization.

84810722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494452.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 84810722 is about 9209.2736955745. The cubic root of 84810722 is about 439.3563626576.

The spelling of 84810722 in words is "eighty-four million, eight hundred ten thousand, seven hundred twenty-two".