214222873 has 4 divisors (see below), whose sum is σ = 218264868. Its totient is φ = 210180880.

The previous prime is 214222871. The next prime is 214222907. The reversal of 214222873 is 378222412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 159062544 + 55160329 = 12612^2 + 7427^2 .

It is a cyclic number.

It is not a de Polignac number, because 214222873 - 2¹ = 214222871 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214222871) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2020918 + ... + 2021023.

It is an arithmetic number, because the mean of its divisors is an integer number (54566217).

Almost surely, 2^214222873 is an apocalyptic number.

It is an amenable number.

214222873 is a deficient number, since it is larger than the sum of its proper divisors (4041995).

214222873 is an equidigital number, since it uses as much as digits as its factorization.

214222873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041994.

The product of its digits is 10752, while the sum is 31.

The square root of 214222873 is about 14636.3544983032. The cubic root of 214222873 is about 598.3499785788.

The spelling of 214222873 in words is "two hundred fourteen million, two hundred twenty-two thousand, eight hundred seventy-three".