52222071 has 16 divisors (see below), whose sum is σ = 76520448. Its totient is φ = 31416000.

The previous prime is 52222063. The next prime is 52222087. The reversal of 52222071 is 17022225.

It is a happy number.

It is not a de Polignac number, because 52222071 - 2³ = 52222063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52222091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (4782528).

Almost surely, 2^52222071 is an apocalyptic number.

52222071 is a deficient number, since it is larger than the sum of its proper divisors (24298377).

52222071 is a wasteful number, since it uses less digits than its factorization.

52222071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 52222071 is about 7226.4839998439. The cubic root of 52222071 is about 373.7816960252.

Adding to 52222071 its reverse (17022225), we get a palindrome (69244296).

The spelling of 52222071 in words is "fifty-two million, two hundred twenty-two thousand, seventy-one".