84805722 has 24 divisors (see below), whose sum is σ = 183924000. Its totient is φ = 28241160.

The previous prime is 84805711. The next prime is 84805727. The reversal of 84805722 is 22750848.

It is a happy number.

84805722 is a `hidden beast` number, since 8 + 4 + 80 + 572 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (84805727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26779 + ... + 29777.

It is an arithmetic number, because the mean of its divisors is an integer number (7663500).

Almost surely, 2^84805722 is an apocalyptic number.

84805722 is an abundant number, since it is smaller than the sum of its proper divisors (99118278).

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

84805722 is a wasteful number, since it uses less digits than its factorization.

84805722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578 (or 4575 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 84805722 is about 9209.0022260829. The cubic root of 84805722 is about 439.3477284309.

The spelling of 84805722 in words is "eighty-four million, eight hundred five thousand, seven hundred twenty-two".