206221741 has 8 divisors (see below), whose sum is σ = 225108000. Its totient is φ = 187358640.

The previous prime is 206221727. The next prime is 206221793. The reversal of 206221741 is 147122602.

206221741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206221741 - 2⁹ = 206221229 is a prime.

It is a super-2 number, since 2×206221741² = 85054812922142162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206221721) 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, 16630 + ... + 26248.

It is an arithmetic number, because the mean of its divisors is an integer number (28138500).

Almost surely, 2^206221741 is an apocalyptic number.

It is an amenable number.

206221741 is a deficient number, since it is larger than the sum of its proper divisors (18886259).

206221741 is a wasteful number, since it uses less digits than its factorization.

206221741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11579.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 206221741 is about 14360.4227305466. The cubic root of 206221741 is about 590.8058900074.

The spelling of 206221741 in words is "two hundred six million, two hundred twenty-one thousand, seven hundred forty-one".