206226444 has 12 divisors (see below), whose sum is σ = 481195064. Its totient is φ = 68742144.

The previous prime is 206226443. The next prime is 206226451. The reversal of 206226444 is 444622602.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (206226443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8592757 + ... + 8592780.

Almost surely, 2^206226444 is an apocalyptic number.

It is an amenable number.

206226444 is an abundant number, since it is smaller than the sum of its proper divisors (274968620).

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

206226444 is a wasteful number, since it uses less digits than its factorization.

206226444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17185544 (or 17185542 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 206226444 is about 14360.5864782745. The cubic root of 206226444 is about 590.8103811908.

The spelling of 206226444 in words is "two hundred six million, two hundred twenty-six thousand, four hundred forty-four".