42412225 has 12 divisors (see below), whose sum is σ = 52752700. Its totient is φ = 33825600.

The previous prime is 42412219. The next prime is 42412231. The reversal of 42412225 is 52221424.

It is an interprime number because it is at equal distance from previous prime (42412219) and next prime (42412231).

It can be written as a sum of positive squares in 6 ways, for example, as 2178576 + 40233649 = 1476^2 + 6343^2 .

It is not a de Polignac number, because 42412225 - 2²¹ = 40315073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42412196 and 42412205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6295 + ... + 11155.

Almost surely, 2^42412225 is an apocalyptic number.

It is an amenable number.

42412225 is a deficient number, since it is larger than the sum of its proper divisors (10340475).

42412225 is a wasteful number, since it uses less digits than its factorization.

42412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220 (or 5215 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 42412225 is about 6512.4668905108. The cubic root of 42412225 is about 348.7361903209.

Adding to 42412225 its reverse (52221424), we get a palindrome (94633649).

The spelling of 42412225 in words is "forty-two million, four hundred twelve thousand, two hundred twenty-five".