42284330 has 16 divisors (see below), whose sum is σ = 83031264. Its totient is φ = 15376080.

The previous prime is 42284309. The next prime is 42284353. The reversal of 42284330 is 3348224.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42284330.

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 7 ways as a sum of consecutive naturals, for example, 192092 + ... + 192311.

It is an arithmetic number, because the mean of its divisors is an integer number (5189454).

Almost surely, 2^42284330 is an apocalyptic number.

42284330 is a deficient number, since it is larger than the sum of its proper divisors (40746934).

42284330 is a wasteful number, since it uses less digits than its factorization.

42284330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384421.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42284330 is about 6502.6402330130. The cubic root of 42284330 is about 348.3852968171.

It can be divided in two parts, 4228 and 4330, that added together give a palindrome (8558).

The spelling of 42284330 in words is "forty-two million, two hundred eighty-four thousand, three hundred thirty".