213103222 has 8 divisors (see below), whose sum is σ = 319946400. Its totient is φ = 106454424.

The previous prime is 213103201. The next prime is 213103237. The reversal of 213103222 is 222301312.

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 = 213103196 and 213103205.

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, 45822 + ... + 50257.

It is an arithmetic number, because the mean of its divisors is an integer number (39993300).

Almost surely, 2^213103222 is an apocalyptic number.

213103222 is a deficient number, since it is larger than the sum of its proper divisors (106843178).

213103222 is a wasteful number, since it uses less digits than its factorization.

213103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97190.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213103222 is about 14598.0554184453. The cubic root of 213103222 is about 597.3057176621.

Adding to 213103222 its reverse (222301312), we get a palindrome (435404534).

The spelling of 213103222 in words is "two hundred thirteen million, one hundred three thousand, two hundred twenty-two".