206429522 has 8 divisors (see below), whose sum is σ = 333463116. Its totient is φ = 95275152.

The previous prime is 206429513. The next prime is 206429543. The reversal of 206429522 is 225924602.

It can be written as a sum of positive squares in 2 ways, for example, as 164839921 + 41589601 = 12839^2 + 6449^2 .

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

It is a super-2 number, since 2×206429522² = 85226295106296968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969773 + ... + 3969824.

Almost surely, 2^206429522 is an apocalyptic number.

206429522 is a deficient number, since it is larger than the sum of its proper divisors (127033594).

206429522 is a wasteful number, since it uses less digits than its factorization.

206429522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939612.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 206429522 is about 14367.6554106785. The cubic root of 206429522 is about 591.0042477432.

The spelling of 206429522 in words is "two hundred six million, four hundred twenty-nine thousand, five hundred twenty-two".