206424657422 has 16 divisors (see below), whose sum is σ = 318574242000. Its totient is φ = 100255229760.

The previous prime is 206424657379. The next prime is 206424657437. The reversal of 206424657422 is 224756424602.

206424657422 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 2×206424657422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5477672 + ... + 5515227.

It is an arithmetic number, because the mean of its divisors is an integer number (19910890125).

Almost surely, 2^206424657422 is an apocalyptic number.

206424657422 is a deficient number, since it is larger than the sum of its proper divisors (112149584578).

206424657422 is a wasteful number, since it uses less digits than its factorization.

206424657422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10993171.

The product of its (nonzero) digits is 1290240, while the sum is 44.

The spelling of 206424657422 in words is "two hundred six billion, four hundred twenty-four million, six hundred fifty-seven thousand, four hundred twenty-two".