76822201 has 4 divisors (see below), whose sum is σ = 81341172. Its totient is φ = 72303232.

The previous prime is 76822181. The next prime is 76822217. The reversal of 76822201 is 10222867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10222867 = 2887 ⋅3541.

It can be written as a sum of positive squares in 2 ways, for example, as 53290000 + 23532201 = 7300^2 + 4851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76822201 is a prime.

It is a super-3 number, since 3×76822201³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76822201.

It is not an unprimeable number, because it can be changed into a prime (76822261) by changing a digit.

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, 2259460 + ... + 2259493.

It is an arithmetic number, because the mean of its divisors is an integer number (20335293).

Almost surely, 2^76822201 is an apocalyptic number.

It is an amenable number.

76822201 is a deficient number, since it is larger than the sum of its proper divisors (4518971).

76822201 is a wasteful number, since it uses less digits than its factorization.

76822201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518970.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 76822201 is about 8764.8274940241. The cubic root of 76822201 is about 425.1043822042.

The spelling of 76822201 in words is "seventy-six million, eight hundred twenty-two thousand, two hundred one".