214444642 has 16 divisors (see below), whose sum is σ = 324951264. Its totient is φ = 106132000.

The previous prime is 214444603. The next prime is 214444667. The reversal of 214444642 is 246444412.

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 7 ways as a sum of consecutive naturals, for example, 135717 + ... + 137287.

It is an arithmetic number, because the mean of its divisors is an integer number (20309454).

Almost surely, 2^214444642 is an apocalyptic number.

214444642 is a deficient number, since it is larger than the sum of its proper divisors (110506622).

214444642 is a wasteful number, since it uses less digits than its factorization.

214444642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its digits is 24576, while the sum is 31.

The square root of 214444642 is about 14643.9285029667. The cubic root of 214444642 is about 598.5563831065.

The spelling of 214444642 in words is "two hundred fourteen million, four hundred forty-four thousand, six hundred forty-two".