206226270 has 32 divisors (see below), whose sum is σ = 549937440. Its totient is φ = 54993600.

The previous prime is 206226263. The next prime is 206226289. The reversal of 206226270 is 72622602.

206226270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206226270² = 85058548876225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 381631 + ... + 382170.

It is an arithmetic number, because the mean of its divisors is an integer number (17185545).

Almost surely, 2^206226270 is an apocalyptic number.

206226270 is an abundant number, since it is smaller than the sum of its proper divisors (343711170).

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

206226270 is a wasteful number, since it uses less digits than its factorization.

206226270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763817 (or 763811 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 206226270 is about 14360.5804200248. The cubic root of 206226270 is about 590.8102150287.

Adding to 206226270 its reverse (72622602), we get a palindrome (278848872).

The spelling of 206226270 in words is "two hundred six million, two hundred twenty-six thousand, two hundred seventy".