42232555 has 16 divisors (see below), whose sum is σ = 53550720. Its totient is φ = 31921792.

The previous prime is 42232543. The next prime is 42232591. The reversal of 42232555 is 55523224.

42232555 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 42232555 - 2⁵ = 42232523 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 15 ways as a sum of consecutive naturals, for example, 3717 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (3346920).

Almost surely, 2^42232555 is an apocalyptic number.

42232555 is a deficient number, since it is larger than the sum of its proper divisors (11318165).

42232555 is a wasteful number, since it uses less digits than its factorization.

42232555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278.

The product of its digits is 12000, while the sum is 28.

The square root of 42232555 is about 6498.6579383747. The cubic root of 42232555 is about 348.2430454140.

Adding to 42232555 its reverse (55523224), we get a palindrome (97755779).

The spelling of 42232555 in words is "forty-two million, two hundred thirty-two thousand, five hundred fifty-five".