206404615222 has 16 divisors (see below), whose sum is σ = 333438667632. Its totient is φ = 95259146400.

The previous prime is 206404615139. The next prime is 206404615223. The reversal of 206404615222 is 222516404602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206404615223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405097 + ... + 759547.

It is an arithmetic number, because the mean of its divisors is an integer number (20839916727).

Almost surely, 2^206404615222 is an apocalyptic number.

206404615222 is a deficient number, since it is larger than the sum of its proper divisors (127034052410).

206404615222 is a wasteful number, since it uses less digits than its factorization.

206404615222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376863.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 206404615222 in words is "two hundred six billion, four hundred four million, six hundred fifteen thousand, two hundred twenty-two".