52222009 has 8 divisors (see below), whose sum is σ = 60230720. Its totient is φ = 44350416.

The previous prime is 52222007. The next prime is 52222043. The reversal of 52222009 is 90022225.

52222009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52222009 - 2¹ = 52222007 is a prime.

It is a super-3 number, since 3×52222009³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52222003) 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 7 ways as a sum of consecutive naturals, for example, 33459 + ... + 34984.

It is an arithmetic number, because the mean of its divisors is an integer number (7528840).

Almost surely, 2^52222009 is an apocalyptic number.

It is an amenable number.

52222009 is a deficient number, since it is larger than the sum of its proper divisors (8008711).

52222009 is a wasteful number, since it uses less digits than its factorization.

52222009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68559.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 52222009 is about 7226.4797100663. The cubic root of 52222009 is about 373.7815481026.

The spelling of 52222009 in words is "fifty-two million, two hundred twenty-two thousand, nine".