52222217 has 8 divisors (see below), whose sum is σ = 53568000. Its totient is φ = 50886304.

The previous prime is 52222199. The next prime is 52222223. The reversal of 52222217 is 71222225.

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 52222217 - 2⁶ = 52222153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52222192 and 52222201.

It is not an unprimeable number, because it can be changed into a prime (52222237) 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, 8909 + ... + 13557.

It is an arithmetic number, because the mean of its divisors is an integer number (6696000).

Almost surely, 2^52222217 is an apocalyptic number.

It is an amenable number.

52222217 is a deficient number, since it is larger than the sum of its proper divisors (1345783).

52222217 is a wasteful number, since it uses less digits than its factorization.

52222217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935.

The product of its digits is 1120, while the sum is 23.

The square root of 52222217 is about 7226.4941015682. The cubic root of 52222217 is about 373.7820443586.

It can be divided in two parts, 5 and 2222217, that added together give a palindrome (2222222).

The spelling of 52222217 in words is "fifty-two million, two hundred twenty-two thousand, two hundred seventeen".