220662443 has 4 divisors (see below), whose sum is σ = 220695408. Its totient is φ = 220629480.

The previous prime is 220662439. The next prime is 220662467. The reversal of 220662443 is 344266022.

220662443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 220662443 - 2² = 220662439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220662473) 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, 2471 + ... + 21152.

It is an arithmetic number, because the mean of its divisors is an integer number (55173852).

Almost surely, 2^220662443 is an apocalyptic number.

220662443 is a deficient number, since it is larger than the sum of its proper divisors (32965).

220662443 is an equidigital number, since it uses as much as digits as its factorization.

220662443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32964.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 220662443 is about 14854.7111382214. The cubic root of 220662443 is about 604.2863821450.

The spelling of 220662443 in words is "two hundred twenty million, six hundred sixty-two thousand, four hundred forty-three".