402206214 has 32 divisors (see below), whose sum is σ = 840397824. Its totient is φ = 128175840.

The previous prime is 402206209. The next prime is 402206237. The reversal of 402206214 is 412602204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2412 + ... + 28464.

It is an arithmetic number, because the mean of its divisors is an integer number (26262432).

Almost surely, 2^402206214 is an apocalyptic number.

402206214 is an abundant number, since it is smaller than the sum of its proper divisors (438191610).

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

402206214 is a wasteful number, since it uses less digits than its factorization.

402206214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26172.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 402206214 is about 20055.0795061999. The cubic root of 402206214 is about 738.1584438121.

Adding to 402206214 its reverse (412602204), we get a palindrome (814808418).

The spelling of 402206214 in words is "four hundred two million, two hundred six thousand, two hundred fourteen".