82201227251 has 8 divisors (see below), whose sum is σ = 96572071344. Its totient is φ = 68980050720.

The previous prime is 82201227217. The next prime is 82201227259. The reversal of 82201227251 is 15272210228.

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

It is a cyclic number.

It is not a de Polignac number, because 82201227251 - 2²⁶ = 82134118387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82201227259) 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, 287416736 + ... + 287417021.

It is an arithmetic number, because the mean of its divisors is an integer number (12071508918).

Almost surely, 2^82201227251 is an apocalyptic number.

82201227251 is a deficient number, since it is larger than the sum of its proper divisors (14370844093).

82201227251 is a wasteful number, since it uses less digits than its factorization.

82201227251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574833781.

The product of its (nonzero) digits is 8960, while the sum is 32.

Adding to 82201227251 its reverse (15272210228), we get a palindrome (97473437479).

The spelling of 82201227251 in words is "eighty-two billion, two hundred one million, two hundred twenty-seven thousand, two hundred fifty-one".