2222505641 has 4 divisors (see below), whose sum is σ = 2229606612. Its totient is φ = 2215404672.

The previous prime is 2222505631. The next prime is 2222505671. The reversal of 2222505641 is 1465052222.

2222505641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10214416 + 2212291225 = 3196^2 + 47035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222505641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222505631) 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, 3550016 + ... + 3550641.

It is an arithmetic number, because the mean of its divisors is an integer number (557401653).

Almost surely, 2^2222505641 is an apocalyptic number.

It is an amenable number.

2222505641 is a deficient number, since it is larger than the sum of its proper divisors (7100971).

2222505641 is an equidigital number, since it uses as much as digits as its factorization.

2222505641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100970.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2222505641 is about 47143.4580933559. The cubic root of 2222505641 is about 1305.0113553814.

Adding to 2222505641 its reverse (1465052222), we get a palindrome (3687557863).

The spelling of 2222505641 in words is "two billion, two hundred twenty-two million, five hundred five thousand, six hundred forty-one".