52222751 has 8 divisors (see below), whose sum is σ = 60263424. Its totient is φ = 44327160.

The previous prime is 52222747. The next prime is 52222777. The reversal of 52222751 is 15722225.

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 52222751 - 2² = 52222747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52222751.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 35495 + ... + 36936.

It is an arithmetic number, because the mean of its divisors is an integer number (7532928).

Almost surely, 2^52222751 is an apocalyptic number.

52222751 is a deficient number, since it is larger than the sum of its proper divisors (8040673).

52222751 is a wasteful number, since it uses less digits than its factorization.

52222751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72541.

The product of its digits is 2800, while the sum is 26.

The square root of 52222751 is about 7226.5310488505. The cubic root of 52222751 is about 373.7833183945.

Adding to 52222751 its reverse (15722225), we get a palindrome (67944976).

The spelling of 52222751 in words is "fifty-two million, two hundred twenty-two thousand, seven hundred fifty-one".