222020311 has 8 divisors (see below), whose sum is σ = 233925120. Its totient is φ = 210303192.

The previous prime is 222020303. The next prime is 222020329. The reversal of 222020311 is 113020222.

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

It is a cyclic number.

It is not a de Polignac number, because 222020311 - 2³ = 222020303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222020291 and 222020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44491 + ... + 49228.

It is an arithmetic number, because the mean of its divisors is an integer number (29240640).

Almost surely, 2^222020311 is an apocalyptic number.

222020311 is a deficient number, since it is larger than the sum of its proper divisors (11904809).

222020311 is a wasteful number, since it uses less digits than its factorization.

222020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93845.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 222020311 is about 14900.3460026940. The cubic root of 222020311 is about 605.5233601689.

Adding to 222020311 its reverse (113020222), we get a palindrome (335040533).

The spelling of 222020311 in words is "two hundred twenty-two million, twenty thousand, three hundred eleven".