52222722 has 8 divisors (see below), whose sum is σ = 104445456. Its totient is φ = 17407572.

The previous prime is 52222721. The next prime is 52222733. The reversal of 52222722 is 22722225.

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

52222722 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 52222692 and 52222701.

It is not an unprimeable number, because it can be changed into a prime (52222721) 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, 4351888 + ... + 4351899.

It is an arithmetic number, because the mean of its divisors is an integer number (13055682).

Almost surely, 2^52222722 is an apocalyptic number.

52222722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52222722 is a wasteful number, since it uses less digits than its factorization.

52222722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703792.

The product of its digits is 2240, while the sum is 24.

The square root of 52222722 is about 7226.5290423550. The cubic root of 52222722 is about 373.7832492055.

Adding to 52222722 its reverse (22722225), we get a palindrome (74944947).

The spelling of 52222722 in words is "fifty-two million, two hundred twenty-two thousand, seven hundred twenty-two".