42235556 has 36 divisors (see below), whose sum is σ = 85130640. Its totient is φ = 18180720.

The previous prime is 42235553. The next prime is 42235577. The reversal of 42235556 is 65553224.

It is not an unprimeable number, because it can be changed into a prime (42235553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14555 + ... + 17213.

It is an arithmetic number, because the mean of its divisors is an integer number (2364740).

Almost surely, 2^42235556 is an apocalyptic number.

It is an amenable number.

42235556 is an abundant number, since it is smaller than the sum of its proper divisors (42895084).

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

42235556 is a wasteful number, since it uses less digits than its factorization.

42235556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2691 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 42235556 is about 6498.8888280998. Note that the first 4 decimals coincide. The cubic root of 42235556 is about 348.2512938109.

It can be divided in two parts, 4223 and 5556, that added together give a palindrome (9779).

The spelling of 42235556 in words is "forty-two million, two hundred thirty-five thousand, five hundred fifty-six".