42214225 has 24 divisors (see below), whose sum is σ = 54960768. Its totient is φ = 32126400.

The previous prime is 42214217. The next prime is 42214243. The reversal of 42214225 is 52241224.

It is not a de Polignac number, because 42214225 - 2³ = 42214217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42214196 and 42214205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42990 + ... + 43960.

It is an arithmetic number, because the mean of its divisors is an integer number (2290032).

Almost surely, 2^42214225 is an apocalyptic number.

It is an amenable number.

42214225 is a deficient number, since it is larger than the sum of its proper divisors (12746543).

42214225 is a wasteful number, since it uses less digits than its factorization.

42214225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1060 counting only the distinct ones).

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

The square root of 42214225 is about 6497.2474941316. The cubic root of 42214225 is about 348.1926560185.

Adding to 42214225 its reverse (52241224), we get a palindrome (94455449).

The spelling of 42214225 in words is "forty-two million, two hundred fourteen thousand, two hundred twenty-five".