206224404 has 48 divisors (see below), whose sum is σ = 507796800. Its totient is φ = 64958976.

The previous prime is 206224393. The next prime is 206224409. The reversal of 206224404 is 404422602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206224409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115164 + ... + 116940.

It is an arithmetic number, because the mean of its divisors is an integer number (10579100).

Almost surely, 2^206224404 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 206224404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253898400).

206224404 is an abundant number, since it is smaller than the sum of its proper divisors (301572396).

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

206224404 is a wasteful number, since it uses less digits than its factorization.

206224404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 206224404 is about 14360.5154503590. The cubic root of 206224404 is about 590.8084330779.

The spelling of 206224404 in words is "two hundred six million, two hundred twenty-four thousand, four hundred four".