42442302 has 32 divisors (see below), whose sum is σ = 102719232. Its totient is φ = 11412864.

The previous prime is 42442259. The next prime is 42442307. The reversal of 42442302 is 20324424.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29008 + ... + 30435.

It is an arithmetic number, because the mean of its divisors is an integer number (3209976).

Almost surely, 2^42442302 is an apocalyptic number.

42442302 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42442302 is an abundant number, since it is smaller than the sum of its proper divisors (60276930).

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

42442302 is a wasteful number, since it uses less digits than its factorization.

42442302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59472.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42442302 is about 6514.7756676650. The cubic root of 42442302 is about 348.8186072807.

Adding to 42442302 its reverse (20324424), we get a palindrome (62766726).

The spelling of 42442302 in words is "forty-two million, four hundred forty-two thousand, three hundred two".