214522812 has 72 divisors (see below), whose sum is σ = 624705536. Its totient is φ = 60800544.

The previous prime is 214522807. The next prime is 214522823. The reversal of 214522812 is 218225412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28653 + ... + 35355.

Almost surely, 2^214522812 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 214522812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312352768).

214522812 is an abundant number, since it is smaller than the sum of its proper divisors (410182724).

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

214522812 is a wasteful number, since it uses less digits than its factorization.

214522812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847 (or 6842 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 214522812 is about 14646.5972840111. The cubic root of 214522812 is about 598.6291034567.

The spelling of 214522812 in words is "two hundred fourteen million, five hundred twenty-two thousand, eight hundred twelve".