442422300 has 72 divisors (see below), whose sum is σ = 1298166912. Its totient is φ = 116312000.

The previous prime is 442422271. The next prime is 442422341. The reversal of 442422300 is 3224244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10915 + ... + 31685.

It is an arithmetic number, because the mean of its divisors is an integer number (18030096).

Almost surely, 2^442422300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442422300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649083456).

442422300 is an abundant number, since it is smaller than the sum of its proper divisors (855744612).

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

442422300 is a wasteful number, since it uses less digits than its factorization.

442422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20859 (or 20852 counting only the distinct ones).

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

The square root of 442422300 is about 21033.8370251364. The cubic root of 442422300 is about 761.9836798400.

Adding to 442422300 its reverse (3224244), we get a palindrome (445646544).

The spelling of 442422300 in words is "four hundred forty-two million, four hundred twenty-two thousand, three hundred".