42122325 has 24 divisors (see below), whose sum is σ = 79592128. Its totient is φ = 19255680.

The previous prime is 42122323. The next prime is 42122341. The reversal of 42122325 is 52322124.

It is not a de Polignac number, because 42122325 - 2¹ = 42122323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42122323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39592 + ... + 40641.

Almost surely, 2^42122325 is an apocalyptic number.

It is an amenable number.

42122325 is a deficient number, since it is larger than the sum of its proper divisors (37469803).

42122325 is a wasteful number, since it uses less digits than its factorization.

42122325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80253 (or 80248 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 42122325 is about 6490.1714153018. The cubic root of 42122325 is about 347.9398016496.

Adding to 42122325 its reverse (52322124), we get a palindrome (94444449).

The spelling of 42122325 in words is "forty-two million, one hundred twenty-two thousand, three hundred twenty-five".