2242105021 has 16 divisors (see below), whose sum is σ = 2587665024. Its totient is φ = 1926137664.

The previous prime is 2242105009. The next prime is 2242105031. The reversal of 2242105021 is 1205012422.

It is a cyclic number.

It is not a de Polignac number, because 2242105021 - 2⁵ = 2242104989 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 2242105021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242105001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90271 + ... + 112396.

It is an arithmetic number, because the mean of its divisors is an integer number (161729064).

Almost surely, 2^2242105021 is an apocalyptic number.

It is an amenable number.

2242105021 is a deficient number, since it is larger than the sum of its proper divisors (345560003).

2242105021 is a wasteful number, since it uses less digits than its factorization.

2242105021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202740.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2242105021 is about 47350.8713858573. The cubic root of 2242105021 is about 1308.8362566639.

Adding to 2242105021 its reverse (1205012422), we get a palindrome (3447117443).

The spelling of 2242105021 in words is "two billion, two hundred forty-two million, one hundred five thousand, twenty-one".