213505222 has 8 divisors (see below), whose sum is σ = 366008976. Its totient is φ = 91502232.

The previous prime is 213505219. The next prime is 213505231. The reversal of 213505222 is 222505312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213505193 and 213505202.

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, 7625173 + ... + 7625200.

It is an arithmetic number, because the mean of its divisors is an integer number (45751122).

Almost surely, 2^213505222 is an apocalyptic number.

213505222 is a deficient number, since it is larger than the sum of its proper divisors (152503754).

213505222 is a wasteful number, since it uses less digits than its factorization.

213505222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15250382.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 213505222 is about 14611.8178882711. The cubic root of 213505222 is about 597.6810695190.

The spelling of 213505222 in words is "two hundred thirteen million, five hundred five thousand, two hundred twenty-two".