205629222 has 8 divisors (see below), whose sum is σ = 411258456. Its totient is φ = 68543072.

The previous prime is 205629211. The next prime is 205629251. The reversal of 205629222 is 222926502.

205629222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

205629222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 205629222.

It is a congruent number.

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, 17135763 + ... + 17135774.

It is an arithmetic number, because the mean of its divisors is an integer number (51407307).

Almost surely, 2^205629222 is an apocalyptic number.

205629222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205629222 is a wasteful number, since it uses less digits than its factorization.

205629222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34271542.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 205629222 is about 14339.7776133384. Note that the first 3 decimals coincide. The cubic root of 205629222 is about 590.2395101504.

The spelling of 205629222 in words is "two hundred five million, six hundred twenty-nine thousand, two hundred twenty-two".