52871222 has 16 divisors (see below), whose sum is σ = 81732672. Its totient is φ = 25634880.

The previous prime is 52871219. The next prime is 52871237. The reversal of 52871222 is 22217825.

It is a super-2 number, since 2×52871222² = 5590732231546568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12323 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (5108292).

Almost surely, 2^52871222 is an apocalyptic number.

52871222 is a deficient number, since it is larger than the sum of its proper divisors (28861450).

52871222 is a wasteful number, since it uses less digits than its factorization.

52871222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943.

The product of its digits is 4480, while the sum is 29.

The square root of 52871222 is about 7271.2600008527. The cubic root of 52871222 is about 375.3240978882.

The spelling of 52871222 in words is "fifty-two million, eight hundred seventy-one thousand, two hundred twenty-two".