2069226021 has 4 divisors (see below), whose sum is σ = 2758968032. Its totient is φ = 1379484012.

The previous prime is 2069226013. The next prime is 2069226031. The reversal of 2069226021 is 1206229602.

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 not a de Polignac number, because 2069226021 - 2³ = 2069226013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2069226021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069226001) 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 3 ways as a sum of consecutive naturals, for example, 344871001 + ... + 344871006.

It is an arithmetic number, because the mean of its divisors is an integer number (689742008).

Almost surely, 2^2069226021 is an apocalyptic number.

It is an amenable number.

2069226021 is a deficient number, since it is larger than the sum of its proper divisors (689742011).

2069226021 is an equidigital number, since it uses as much as digits as its factorization.

2069226021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689742010.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2069226021 is about 45488.7460917533. The cubic root of 2069226021 is about 1274.2930379877.

The spelling of 2069226021 in words is "two billion, sixty-nine million, two hundred twenty-six thousand, twenty-one".