42183225 has 36 divisors (see below), whose sum is σ = 86351616. Its totient is φ = 19283040.

The previous prime is 42183223. The next prime is 42183227. The reversal of 42183225 is 52238124.

It is an interprime number because it is at equal distance from previous prime (42183223) and next prime (42183227).

It is not a de Polignac number, because 42183225 - 2¹ = 42183223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42183223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11817 + ... + 14966.

It is an arithmetic number, because the mean of its divisors is an integer number (2398656).

Almost surely, 2^42183225 is an apocalyptic number.

42183225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42183225 is an abundant number, since it is smaller than the sum of its proper divisors (44168391).

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

42183225 is a wasteful number, since it uses less digits than its factorization.

42183225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26806 (or 26798 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42183225 is about 6494.8614303925. The cubic root of 42183225 is about 348.1074034320.

The spelling of 42183225 in words is "forty-two million, one hundred eighty-three thousand, two hundred twenty-five".