52220235 has 24 divisors (see below), whose sum is σ = 87356304. Its totient is φ = 26635840.

The previous prime is 52220219. The next prime is 52220249. The reversal of 52220235 is 53202225.

Added to its reverse (53202225) it gives a triangular number (105422460 = T₁₄₅₂₀).

52220235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52220235 - 2⁴ = 52220219 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 4645 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (3639846).

Almost surely, 2^52220235 is an apocalyptic number.

52220235 is a deficient number, since it is larger than the sum of its proper divisors (35136069).

52220235 is a wasteful number, since it uses less digits than its factorization.

52220235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635 (or 6612 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52220235 is about 7226.3569659961. The cubic root of 52220235 is about 373.7773155578. Note that the first 3 decimals are identical.

Adding to 52220235 its reverse (53202225), we get a triangular number (105422460 = T₁₄₅₂₀).

The spelling of 52220235 in words is "fifty-two million, two hundred twenty thousand, two hundred thirty-five".