222120213 has 32 divisors (see below), whose sum is σ = 348923904. Its totient is φ = 123031872.

The previous prime is 222120211. The next prime is 222120233. The reversal of 222120213 is 312021222.

It is a happy number.

222120213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222120213 - 2¹ = 222120211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222120192 and 222120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378106 + ... + 378692.

It is an arithmetic number, because the mean of its divisors is an integer number (10903872).

Almost surely, 2^222120213 is an apocalyptic number.

It is an amenable number.

222120213 is a deficient number, since it is larger than the sum of its proper divisors (126803691).

222120213 is a wasteful number, since it uses less digits than its factorization.

222120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222120213 is about 14903.6979639283. The cubic root of 222120213 is about 605.6141685630.

Adding to 222120213 its reverse (312021222), we get a palindrome (534141435).

The spelling of 222120213 in words is "two hundred twenty-two million, one hundred twenty thousand, two hundred thirteen".