800522147 has 4 divisors (see below), whose sum is σ = 800600136. Its totient is φ = 800444160.

The previous prime is 800522141. The next prime is 800522167. The reversal of 800522147 is 741225008.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 800522147 - 2¹⁸ = 800260003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800522141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20753 + ... + 45074.

It is an arithmetic number, because the mean of its divisors is an integer number (200150034).

Almost surely, 2^800522147 is an apocalyptic number.

800522147 is a deficient number, since it is larger than the sum of its proper divisors (77989).

800522147 is a wasteful number, since it uses less digits than its factorization.

800522147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77988.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 800522147 is about 28293.5000839415. The cubic root of 800522147 is about 928.5196887722.

The spelling of 800522147 in words is "eight hundred million, five hundred twenty-two thousand, one hundred forty-seven".