42225524 has 48 divisors (see below), whose sum is σ = 86546880. Its totient is φ = 17821440.

The previous prime is 42225523. The next prime is 42225529. The reversal of 42225524 is 42552224.

It is a junction number, because it is equal to n+sod(n) for n = 42225493 and 42225502.

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 15 ways as a sum of consecutive naturals, for example, 43832 + ... + 44784.

It is an arithmetic number, because the mean of its divisors is an integer number (1803060).

Almost surely, 2^42225524 is an apocalyptic number.

42225524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42225524 is an abundant number, since it is smaller than the sum of its proper divisors (44321356).

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

42225524 is a wasteful number, since it uses less digits than its factorization.

42225524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1038 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 42225524 is about 6498.1169580118. The cubic root of 42225524 is about 348.2237188325.

Adding to 42225524 its reverse (42552224), we get a palindrome (84777748).

The spelling of 42225524 in words is "forty-two million, two hundred twenty-five thousand, five hundred twenty-four".