213223366 has 8 divisors (see below), whose sum is σ = 324339984. Its totient is φ = 105110040.

The previous prime is 213223357. The next prime is 213223403. The reversal of 213223366 is 663322312.

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

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, 750645 + ... + 750928.

It is an arithmetic number, because the mean of its divisors is an integer number (40542498).

Almost surely, 2^213223366 is an apocalyptic number.

213223366 is a deficient number, since it is larger than the sum of its proper divisors (111116618).

213223366 is a wasteful number, since it uses less digits than its factorization.

213223366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501646.

The product of its digits is 7776, while the sum is 28.

The square root of 213223366 is about 14602.1699072432. The cubic root of 213223366 is about 597.4179468680.

Adding to 213223366 its reverse (663322312), we get a palindrome (876545678).

The spelling of 213223366 in words is "two hundred thirteen million, two hundred twenty-three thousand, three hundred sixty-six".