42225843 has 16 divisors (see below), whose sum is σ = 63081216. Its totient is φ = 24899040.

The previous prime is 42225829. The next prime is 42225853. The reversal of 42225843 is 34852224.

It is not a de Polignac number, because 42225843 - 2⁵ = 42225811 is a prime.

It is a super-3 number, since 3×42225843³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42225843.

It is not an unprimeable number, because it can be changed into a prime (42225823) 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, 16071 + ... + 18512.

It is an arithmetic number, because the mean of its divisors is an integer number (3942576).

Almost surely, 2^42225843 is an apocalyptic number.

42225843 is a deficient number, since it is larger than the sum of its proper divisors (20855373).

42225843 is a wasteful number, since it uses less digits than its factorization.

42225843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34634.

The product of its digits is 15360, while the sum is 30.

The square root of 42225843 is about 6498.1415035378. The cubic root of 42225843 is about 348.2245957357.

The spelling of 42225843 in words is "forty-two million, two hundred twenty-five thousand, eight hundred forty-three".