213220222 has 16 divisors (see below), whose sum is σ = 339422400. Its totient is φ = 100108288.

The previous prime is 213220211. The next prime is 213220229. The reversal of 213220222 is 222022312.

It is a junction number, because it is equal to n+sod(n) for n = 213220196 and 213220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8283 + ... + 22249.

It is an arithmetic number, because the mean of its divisors is an integer number (21213900).

Almost surely, 2^213220222 is an apocalyptic number.

213220222 is a deficient number, since it is larger than the sum of its proper divisors (126202178).

213220222 is a wasteful number, since it uses less digits than its factorization.

213220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 213220222 is about 14602.0622516136. The cubic root of 213220222 is about 597.4150105243.

Adding to 213220222 its reverse (222022312), we get a palindrome (435242534).

The spelling of 213220222 in words is "two hundred thirteen million, two hundred twenty thousand, two hundred twenty-two".