42203556 has 36 divisors (see below), whose sum is σ = 108955392. Its totient is φ = 13767984.

The previous prime is 42203549. The next prime is 42203599. The reversal of 42203556 is 65530224.

42203556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×42203556² = 3562280278090272, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 10780 + ... + 14163.

Almost surely, 2^42203556 is an apocalyptic number.

It is an amenable number.

42203556 is an abundant number, since it is smaller than the sum of its proper divisors (66751836).

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

42203556 is a wasteful number, since it uses less digits than its factorization.

42203556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000 (or 24995 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42203556 is about 6496.4264022615. The cubic root of 42203556 is about 348.1633200901.

It can be divided in two parts, 4220 and 3556, that added together give a 5-th power (7776 = 6⁵).

The spelling of 42203556 in words is "forty-two million, two hundred three thousand, five hundred fifty-six".