206522422 has 8 divisors (see below), whose sum is σ = 310357872. Its totient is φ = 103069800.

The previous prime is 206522401. The next prime is 206522429. The reversal of 206522422 is 224225602.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206522429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94354 + ... + 96517.

It is an arithmetic number, because the mean of its divisors is an integer number (38794734).

Almost surely, 2^206522422 is an apocalyptic number.

206522422 is a deficient number, since it is larger than the sum of its proper divisors (103835450).

206522422 is a wasteful number, since it uses less digits than its factorization.

206522422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191414.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 206522422 is about 14370.8880031820. Note that the first 3 decimals coincide. The cubic root of 206522422 is about 591.0928914926.

The spelling of 206522422 in words is "two hundred six million, five hundred twenty-two thousand, four hundred twenty-two".