52220445 has 16 divisors (see below), whose sum is σ = 86434560. Its totient is φ = 26890304.

The previous prime is 52220437. The next prime is 52220471. The reversal of 52220445 is 54402225.

It is a happy number.

52220445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52220445 - 2³ = 52220437 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 59589 + ... + 60458.

It is an arithmetic number, because the mean of its divisors is an integer number (5402160).

Almost surely, 2^52220445 is an apocalyptic number.

It is an amenable number.

52220445 is a deficient number, since it is larger than the sum of its proper divisors (34214115).

52220445 is a wasteful number, since it uses less digits than its factorization.

52220445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120084.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 52220445 is about 7226.3714961245. The cubic root of 52220445 is about 373.7778165969. Note that the first 3 decimals are identical.

The spelling of 52220445 in words is "fifty-two million, two hundred twenty thousand, four hundred forty-five".