442212214 has 16 divisors (see below), whose sum is σ = 700503552. Its totient is φ = 208942888.

The previous prime is 442212209. The next prime is 442212227. The reversal of 442212214 is 412212244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54094 + ... + 61729.

It is an arithmetic number, because the mean of its divisors is an integer number (43781472).

Almost surely, 2^442212214 is an apocalyptic number.

442212214 is a deficient number, since it is larger than the sum of its proper divisors (258291338).

442212214 is a wasteful number, since it uses less digits than its factorization.

442212214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115931.

The product of its digits is 1024, while the sum is 22.

The square root of 442212214 is about 21028.8424312895. The cubic root of 442212214 is about 761.8630504108.

Adding to 442212214 its reverse (412212244), we get a palindrome (854424458).

The spelling of 442212214 in words is "four hundred forty-two million, two hundred twelve thousand, two hundred fourteen".