214228667 has 4 divisors (see below), whose sum is σ = 225503880. Its totient is φ = 202953456.

The previous prime is 214228661. The next prime is 214228673. The reversal of 214228667 is 766822412.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (214228661) and next prime (214228673).

It is a cyclic number.

It is not a de Polignac number, because 214228667 - 2⁸ = 214228411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214228667.

It is not an unprimeable number, because it can be changed into a prime (214228661) 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 3 ways as a sum of consecutive naturals, for example, 5637578 + ... + 5637615.

It is an arithmetic number, because the mean of its divisors is an integer number (56375970).

Almost surely, 2^214228667 is an apocalyptic number.

214228667 is a deficient number, since it is larger than the sum of its proper divisors (11275213).

214228667 is a wasteful number, since it uses less digits than its factorization.

214228667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11275212.

The product of its digits is 64512, while the sum is 38.

The square root of 214228667 is about 14636.5524287655. The cubic root of 214228667 is about 598.3553729740.

The spelling of 214228667 in words is "two hundred fourteen million, two hundred twenty-eight thousand, six hundred sixty-seven".