52221086 has 8 divisors (see below), whose sum is σ = 81737424. Its totient is φ = 24975280.

The previous prime is 52221079. The next prime is 52221149. The reversal of 52221086 is 68012225.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567575 + ... + 567666.

It is an arithmetic number, because the mean of its divisors is an integer number (10217178).

Almost surely, 2^52221086 is an apocalyptic number.

52221086 is a deficient number, since it is larger than the sum of its proper divisors (29516338).

52221086 is a wasteful number, since it uses less digits than its factorization.

52221086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135266.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 52221086 is about 7226.4158474309. The cubic root of 52221086 is about 373.7793459506.

The spelling of 52221086 in words is "fifty-two million, two hundred twenty-one thousand, eighty-six".