42225432 has 32 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 14049824.

The previous prime is 42225413. The next prime is 42225457. The reversal of 42225432 is 23452224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16033 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^42225432 is an apocalyptic number.

It is an amenable number.

42225432 is an abundant number, since it is smaller than the sum of its proper divisors (63528168).

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

42225432 is a wasteful number, since it uses less digits than its factorization.

42225432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175 (or 3171 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 42225432 is about 6498.1098790341. The cubic root of 42225432 is about 348.2234659317.

Adding to 42225432 its reverse (23452224), we get a palindrome (65677656).

The spelling of 42225432 in words is "forty-two million, two hundred twenty-five thousand, four hundred thirty-two".