42200171 has 16 divisors (see below), whose sum is σ = 48371904. Its totient is φ = 36470784.

The previous prime is 42200167. The next prime is 42200201. The reversal of 42200171 is 17100224.

It is a cyclic number.

It is not a de Polignac number, because 42200171 - 2² = 42200167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42200131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56426 + ... + 57168.

It is an arithmetic number, because the mean of its divisors is an integer number (3023244).

Almost surely, 2^42200171 is an apocalyptic number.

42200171 is a deficient number, since it is larger than the sum of its proper divisors (6171733).

42200171 is a wasteful number, since it uses less digits than its factorization.

42200171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 42200171 is about 6496.1658691878. The cubic root of 42200171 is about 348.1540115194.

Adding to 42200171 its reverse (17100224), we get a palindrome (59300395).

The spelling of 42200171 in words is "forty-two million, two hundred thousand, one hundred seventy-one".