20222469021 has 4 divisors (see below), whose sum is σ = 26963292032. Its totient is φ = 13481646012.

The previous prime is 20222469013. The next prime is 20222469037. The reversal of 20222469021 is 12096422202.

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 20222469021 - 2³ = 20222469013 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 20222469021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222469061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370411501 + ... + 3370411506.

It is an arithmetic number, because the mean of its divisors is an integer number (6740823008).

Almost surely, 2^20222469021 is an apocalyptic number.

It is an amenable number.

20222469021 is a deficient number, since it is larger than the sum of its proper divisors (6740823011).

20222469021 is an equidigital number, since it uses as much as digits as its factorization.

20222469021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740823010.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 20222469021 in words is "twenty billion, two hundred twenty-two million, four hundred sixty-nine thousand, twenty-one".