42201885 has 32 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 20360000.

The previous prime is 42201853. The next prime is 42201889. The reversal of 42201885 is 58810224.

It is not a de Polignac number, because 42201885 - 2⁵ = 42201853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40906 + ... + 41924.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^42201885 is an apocalyptic number.

It is an amenable number.

42201885 is a deficient number, since it is larger than the sum of its proper divisors (31825635).

42201885 is a wasteful number, since it uses less digits than its factorization.

42201885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 42201885 is about 6496.2977918196. The cubic root of 42201885 is about 348.1587249908.

It can be divided in two parts, 4220 and 1885, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 42201885 in words is "forty-two million, two hundred one thousand, eight hundred eighty-five".