42532229 has 4 divisors (see below), whose sum is σ = 42547980. Its totient is φ = 42516480.

The previous prime is 42532219. The next prime is 42532247. The reversal of 42532229 is 92223524.

42532229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21390625 + 21141604 = 4625^2 + 4598^2 .

It is a cyclic number.

It is not a de Polignac number, because 42532229 - 2⁴ = 42532213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532219) by changing a digit.

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, 2684 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (10636995).

Almost surely, 2^42532229 is an apocalyptic number.

It is an amenable number.

42532229 is a deficient number, since it is larger than the sum of its proper divisors (15751).

42532229 is a wasteful number, since it uses less digits than its factorization.

42532229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750.

The product of its digits is 8640, while the sum is 29.

The square root of 42532229 is about 6521.6737882234. The cubic root of 42532229 is about 349.0647931305.

The spelling of 42532229 in words is "forty-two million, five hundred thirty-two thousand, two hundred twenty-nine".