2226112621 has 2 divisors, whose sum is σ = 2226112622. Its totient is φ = 2226112620.

The previous prime is 2226112607. The next prime is 2226112631. The reversal of 2226112621 is 1262116222.

2226112621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1561040100 + 665072521 = 39510^2 + 25789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2226112621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2226112601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113056310 + 1113056311.

It is an arithmetic number, because the mean of its divisors is an integer number (1113056311).

Almost surely, 2^2226112621 is an apocalyptic number.

It is an amenable number.

2226112621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226112621 is an equidigital number, since it uses as much as digits as its factorization.

2226112621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 2226112621 is about 47181.6979452838. The cubic root of 2226112621 is about 1305.7169562433.

Adding to 2226112621 its reverse (1262116222), we get a palindrome (3488228843).

The spelling of 2226112621 in words is "two billion, two hundred twenty-six million, one hundred twelve thousand, six hundred twenty-one".