214213444 has 48 divisors (see below), whose sum is σ = 403869312. Its totient is φ = 99171072.

The previous prime is 214213411. The next prime is 214213457. The reversal of 214213444 is 444312412.

It is a super-2 number, since 2×214213444² = 91774799180682272, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 684232 + ... + 684544.

It is an arithmetic number, because the mean of its divisors is an integer number (8413944).

Almost surely, 2^214213444 is an apocalyptic number.

It is an amenable number.

214213444 is a deficient number, since it is larger than the sum of its proper divisors (189655868).

214213444 is a wasteful number, since it uses less digits than its factorization.

214213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 554 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 214213444 is about 14636.0323858620. The cubic root of 214213444 is about 598.3411996769.

Adding to 214213444 its reverse (444312412), we get a palindrome (658525856).

The spelling of 214213444 in words is "two hundred fourteen million, two hundred thirteen thousand, four hundred forty-four".