2220026789 has 4 divisors (see below), whose sum is σ = 2223015456. Its totient is φ = 2217038124.

The previous prime is 2220026773. The next prime is 2220026797. The reversal of 2220026789 is 9876200222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220026789 - 2⁴ = 2220026773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220026729) 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, 1493219 + ... + 1494704.

It is an arithmetic number, because the mean of its divisors is an integer number (555753864).

Almost surely, 2^2220026789 is an apocalyptic number.

It is an amenable number.

2220026789 is a deficient number, since it is larger than the sum of its proper divisors (2988667).

2220026789 is an equidigital number, since it uses as much as digits as its factorization.

2220026789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988666.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2220026789 is about 47117.1602391316. The cubic root of 2220026789 is about 1304.5259972676.

The spelling of 2220026789 in words is "two billion, two hundred twenty million, twenty-six thousand, seven hundred eighty-nine".