42224325 has 96 divisors (see below), whose sum is σ = 85327872. Its totient is φ = 18144000.

The previous prime is 42224317. The next prime is 42224333. The reversal of 42224325 is 52342224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42224317) and next prime (42224333).

It is not a de Polignac number, because 42224325 - 2³ = 42224317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42224295 and 42224304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 332412 + ... + 332538.

It is an arithmetic number, because the mean of its divisors is an integer number (888832).

Almost surely, 2^42224325 is an apocalyptic number.

It is an amenable number.

42224325 is an abundant number, since it is smaller than the sum of its proper divisors (43103547).

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

42224325 is a wasteful number, since it uses less digits than its factorization.

42224325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 190 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 42224325 is about 6498.0246998607. The cubic root of 42224325 is about 348.2204228467.

Adding to 42224325 its reverse (52342224), we get a palindrome (94566549).

The spelling of 42224325 in words is "forty-two million, two hundred twenty-four thousand, three hundred twenty-five".