42238330 has 32 divisors (see below), whose sum is σ = 80688960. Its totient is φ = 15874560.

The previous prime is 42238321. The next prime is 42238367. The reversal of 42238330 is 3383224.

It is a junction number, because it is equal to n+sod(n) for n = 42238295 and 42238304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24042 + ... + 25738.

It is an arithmetic number, because the mean of its divisors is an integer number (2521530).

Almost surely, 2^42238330 is an apocalyptic number.

42238330 is a deficient number, since it is larger than the sum of its proper divisors (38450630).

42238330 is a wasteful number, since it uses less digits than its factorization.

42238330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 42238330 is about 6499.1022456952. The cubic root of 42238330 is about 348.2589179395.

The spelling of 42238330 in words is "forty-two million, two hundred thirty-eight thousand, three hundred thirty".