52221867 has 8 divisors (see below), whose sum is σ = 69960000. Its totient is φ = 34649160.

The previous prime is 52221839. The next prime is 52221881. The reversal of 52221867 is 76812225.

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

It is not a de Polignac number, because 52221867 - 2⁶ = 52221803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52222867) 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, 40617 + ... + 41882.

It is an arithmetic number, because the mean of its divisors is an integer number (8745000).

Almost surely, 2^52221867 is an apocalyptic number.

52221867 is a deficient number, since it is larger than the sum of its proper divisors (17738133).

52221867 is a wasteful number, since it uses less digits than its factorization.

52221867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82713.

The product of its digits is 13440, while the sum is 33.

The square root of 52221867 is about 7226.4698850822. The cubic root of 52221867 is about 373.7812093117.

The spelling of 52221867 in words is "fifty-two million, two hundred twenty-one thousand, eight hundred sixty-seven".