214228864 has 16 divisors (see below), whose sum is σ = 426784320. Its totient is φ = 107114368.

The previous prime is 214228843. The next prime is 214228891. The reversal of 214228864 is 468822412.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836704 + ... + 836959.

It is an arithmetic number, because the mean of its divisors is an integer number (26674020).

Almost surely, 2^214228864 is an apocalyptic number.

It is an amenable number.

214228864 is a deficient number, since it is larger than the sum of its proper divisors (212555456).

214228864 is an equidigital number, since it uses as much as digits as its factorization.

214228864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673677 (or 1673665 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 214228864 is about 14636.5591584908. The cubic root of 214228864 is about 598.3555563854.

The spelling of 214228864 in words is "two hundred fourteen million, two hundred twenty-eight thousand, eight hundred sixty-four".