42225670 has 16 divisors (see below), whose sum is σ = 76241808. Its totient is φ = 16837920.

The previous prime is 42225647. The next prime is 42225679. The reversal of 42225670 is 7652224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42225679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069 + ... + 9688.

It is an arithmetic number, because the mean of its divisors is an integer number (4765113).

Almost surely, 2^42225670 is an apocalyptic number.

42225670 is a deficient number, since it is larger than the sum of its proper divisors (34016138).

42225670 is a wasteful number, since it uses less digits than its factorization.

42225670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13095.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 42225670 is about 6498.1281920258. The cubic root of 42225670 is about 348.2241201743.

Adding to 42225670 its reverse (7652224), we get a palindrome (49877894).

The spelling of 42225670 in words is "forty-two million, two hundred twenty-five thousand, six hundred seventy".