2193221255 has 8 divisors (see below), whose sum is σ = 2786681232. Its totient is φ = 1651366528.

The previous prime is 2193221231. The next prime is 2193221273. The reversal of 2193221255 is 5521223912.

2193221255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2193221255 - 2⁸ = 2193220999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12901217 + ... + 12901386.

It is an arithmetic number, because the mean of its divisors is an integer number (348335154).

Almost surely, 2^2193221255 is an apocalyptic number.

2193221255 is a deficient number, since it is larger than the sum of its proper divisors (593459977).

2193221255 is a wasteful number, since it uses less digits than its factorization.

2193221255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25802625.

The product of its digits is 10800, while the sum is 32.

The square root of 2193221255 is about 46831.8401837895. The cubic root of 2193221255 is about 1299.2542576926.

The spelling of 2193221255 in words is "two billion, one hundred ninety-three million, two hundred twenty-one thousand, two hundred fifty-five".