42225672 has 32 divisors (see below), whose sum is σ = 105742080. Its totient is φ = 14051520.

The previous prime is 42225647. The next prime is 42225679. The reversal of 42225672 is 27652224.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18633 + ... + 20775.

It is an arithmetic number, because the mean of its divisors is an integer number (3304440).

Almost surely, 2^42225672 is an apocalyptic number.

It is an amenable number.

42225672 is an abundant number, since it is smaller than the sum of its proper divisors (63516408).

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

42225672 is a wasteful number, since it uses less digits than its factorization.

42225672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2969 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 42225672 is about 6498.1283459162. The cubic root of 42225672 is about 348.2241256722.

Adding to 42225672 its reverse (27652224), we get a palindrome (69877896).

The spelling of 42225672 in words is "forty-two million, two hundred twenty-five thousand, six hundred seventy-two".