4220345111 has 4 divisors (see below), whose sum is σ = 4220896800. Its totient is φ = 4219793424.

The previous prime is 4220345093. The next prime is 4220345117. The reversal of 4220345111 is 1115430224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4220345111 is a prime.

It is a super-2 number, since 2×4220345111² = 35622625711883204642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220345117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264206 + ... + 279723.

It is an arithmetic number, because the mean of its divisors is an integer number (1055224200).

Almost surely, 2^4220345111 is an apocalyptic number.

4220345111 is a deficient number, since it is larger than the sum of its proper divisors (551689).

4220345111 is an equidigital number, since it uses as much as digits as its factorization.

4220345111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551688.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4220345111 is about 64964.1832935657. The cubic root of 4220345111 is about 1616.0296400094.

Adding to 4220345111 its reverse (1115430224), we get a palindrome (5335775335).

The spelling of 4220345111 in words is "four billion, two hundred twenty million, three hundred forty-five thousand, one hundred eleven".