42334225 has 12 divisors (see below), whose sum is σ = 52580464. Its totient is φ = 33811920.

The previous prime is 42334213. The next prime is 42334241. The reversal of 42334225 is 52243324.

It is not a de Polignac number, because 42334225 - 2⁹ = 42333713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42334225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21742 + ... + 23608.

Almost surely, 2^42334225 is an apocalyptic number.

It is an amenable number.

42334225 is a deficient number, since it is larger than the sum of its proper divisors (10246239).

42334225 is a wasteful number, since it uses less digits than its factorization.

42334225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 2779 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 42334225 is about 6506.4756204876. The cubic root of 42334225 is about 348.5222731055.

Adding to 42334225 its reverse (52243324), we get a palindrome (94577549).

Subtracting 42334225 from its reverse (52243324), we obtain a palindrome (9909099).

The spelling of 42334225 in words is "forty-two million, three hundred thirty-four thousand, two hundred twenty-five".