206622430 has 32 divisors (see below), whose sum is σ = 436545216. Its totient is φ = 68926464.

The previous prime is 206622413. The next prime is 206622443. The reversal of 206622430 is 34226602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 206622395 and 206622404.

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, 37299 + ... + 42478.

It is an arithmetic number, because the mean of its divisors is an integer number (13642038).

Almost surely, 2^206622430 is an apocalyptic number.

206622430 is an abundant number, since it is smaller than the sum of its proper divisors (229922786).

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

206622430 is a wasteful number, since it uses less digits than its factorization.

206622430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79828.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 206622430 is about 14374.3671165029. The cubic root of 206622430 is about 591.1882878793.

The spelling of 206622430 in words is "two hundred six million, six hundred twenty-two thousand, four hundred thirty".