214222904 has 96 divisors (see below), whose sum is σ = 487555200. Its totient is φ = 87917760.

The previous prime is 214222871. The next prime is 214222907. The reversal of 214222904 is 409222412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214222907) 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 23 ways as a sum of consecutive naturals, for example, 1196687 + ... + 1196865.

It is an arithmetic number, because the mean of its divisors is an integer number (5078700).

Almost surely, 2^214222904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214222904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243777600).

214222904 is an abundant number, since it is smaller than the sum of its proper divisors (273332296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214222904 is a wasteful number, since it uses less digits than its factorization.

214222904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 214222904 is about 14636.3555573100. The cubic root of 214222904 is about 598.3500074410.

The spelling of 214222904 in words is "two hundred fourteen million, two hundred twenty-two thousand, nine hundred four".