82220256701 has 8 divisors (see below), whose sum is σ = 90702633600. Its totient is φ = 73905847840.

The previous prime is 82220256659. The next prime is 82220256719. The reversal of 82220256701 is 10765202228.

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

It is not a de Polignac number, because 82220256701 - 2³⁰ = 81146514877 is a prime.

It is a super-2 number, since 2×82220256701² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82220256791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41990981 + ... + 41992938.

It is an arithmetic number, because the mean of its divisors is an integer number (11337829200).

Almost surely, 2^82220256701 is an apocalyptic number.

It is an amenable number.

82220256701 is a deficient number, since it is larger than the sum of its proper divisors (8482376899).

82220256701 is a wasteful number, since it uses less digits than its factorization.

82220256701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83984019.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 82220256701 its reverse (10765202228), we get a palindrome (92985458929).

The spelling of 82220256701 in words is "eighty-two billion, two hundred twenty million, two hundred fifty-six thousand, seven hundred one".