2194617223 has 4 divisors (see below), whose sum is σ = 2253931240. Its totient is φ = 2135303208.

The previous prime is 2194617221. The next prime is 2194617241. The reversal of 2194617223 is 3227164912.

2194617223 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 is a cyclic number.

It is not a de Polignac number, because 2194617223 - 2¹ = 2194617221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 59313979 = 2194617223 / (2 + 1 + 9 + 4 + 6 + 1 + 7 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194617221) 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, 29656953 + ... + 29657026.

It is an arithmetic number, because the mean of its divisors is an integer number (563482810).

Almost surely, 2^2194617223 is an apocalyptic number.

2194617223 is a deficient number, since it is larger than the sum of its proper divisors (59314017).

2194617223 is an equidigital number, since it uses as much as digits as its factorization.

2194617223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59314016.

The product of its digits is 36288, while the sum is 37.

The square root of 2194617223 is about 46846.7418610942. The cubic root of 2194617223 is about 1299.5298542524.

It can be divided in two parts, 219461722 and 3, that added together give a triangular number (219461725 = T₂₀₉₅₀).

The spelling of 2194617223 in words is "two billion, one hundred ninety-four million, six hundred seventeen thousand, two hundred twenty-three".