42225583 has 4 divisors (see below), whose sum is σ = 42247800. Its totient is φ = 42203368.

The previous prime is 42225553. The next prime is 42225593. The reversal of 42225583 is 38552224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42225583 - 2²⁵ = 8671151 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42225523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7960 + ... + 12157.

It is an arithmetic number, because the mean of its divisors is an integer number (10561950).

Almost surely, 2^42225583 is an apocalyptic number.

42225583 is a deficient number, since it is larger than the sum of its proper divisors (22217).

42225583 is a wasteful number, since it uses less digits than its factorization.

42225583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22216.

The product of its digits is 19200, while the sum is 31.

The square root of 42225583 is about 6498.1214977869. The cubic root of 42225583 is about 348.2238810187.

It can be divided in two parts, 42 and 225583, that added together give a square (225625 = 475²).

The spelling of 42225583 in words is "forty-two million, two hundred twenty-five thousand, five hundred eighty-three".