52220316 has 12 divisors (see below), whose sum is σ = 121847432. Its totient is φ = 17406768.

The previous prime is 52220309. The next prime is 52220323. The reversal of 52220316 is 61302225.

52220316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52220309) and next prime (52220323).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×52220316² = 5453922806279712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52220292 and 52220301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175835 + ... + 2175858.

Almost surely, 2^52220316 is an apocalyptic number.

It is an amenable number.

52220316 is an abundant number, since it is smaller than the sum of its proper divisors (69627116).

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

52220316 is a wasteful number, since it uses less digits than its factorization.

52220316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351700 (or 4351698 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52220316 is about 7226.3625704776. The cubic root of 52220316 is about 373.7775088159. Note that the first 3 decimals are identical.

The spelling of 52220316 in words is "fifty-two million, two hundred twenty thousand, three hundred sixteen".