442214250 has 64 divisors (see below), whose sum is σ = 1107025920. Its totient is φ = 117576000.

The previous prime is 442214239. The next prime is 442214257. The reversal of 442214250 is 52412244.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 442214250.

It is not an unprimeable number, because it can be changed into a prime (442214257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345111 + ... + 346389.

It is an arithmetic number, because the mean of its divisors is an integer number (17297280).

Almost surely, 2^442214250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442214250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553512960).

442214250 is an abundant number, since it is smaller than the sum of its proper divisors (664811670).

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

442214250 is a wasteful number, since it uses less digits than its factorization.

442214250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 442214250 is about 21028.8908409360. The cubic root of 442214250 is about 761.8642196464.

Adding to 442214250 its reverse (52412244), we get a palindrome (494626494).

The spelling of 442214250 in words is "four hundred forty-two million, two hundred fourteen thousand, two hundred fifty".