42328220 has 36 divisors (see below), whose sum is σ = 97710312. Its totient is φ = 15391200.

The previous prime is 42328213. The next prime is 42328243. The reversal of 42328220 is 2282324.

It is a congruent number.

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, 6326 + ... + 11165.

Almost surely, 2^42328220 is an apocalyptic number.

It is an amenable number.

42328220 is an abundant number, since it is smaller than the sum of its proper divisors (55382092).

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

42328220 is a wasteful number, since it uses less digits than its factorization.

42328220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17522 (or 17509 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 42328220 is about 6506.0141407777. The cubic root of 42328220 is about 348.5057933328.

The spelling of 42328220 in words is "forty-two million, three hundred twenty-eight thousand, two hundred twenty".