227194231849 has 4 divisors (see below), whose sum is σ = 244670711236. Its totient is φ = 209717752464.

The previous prime is 227194231837. The next prime is 227194231861. The reversal of 227194231849 is 948132491722.

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

It is an interprime number because it is at equal distance from previous prime (227194231837) and next prime (227194231861).

It can be written as a sum of positive squares in 2 ways, for example, as 136424593449 + 90769638400 = 369357^2 + 301280^2 .

It is a cyclic number.

It is not a de Polignac number, because 227194231849 - 2²⁵ = 227160677417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227194231796 and 227194231805.

It is not an unprimeable number, because it can be changed into a prime (227194231879) 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, 8738239674 + ... + 8738239699.

It is an arithmetic number, because the mean of its divisors is an integer number (61167677809).

Almost surely, 2^227194231849 is an apocalyptic number.

It is an amenable number.

227194231849 is a deficient number, since it is larger than the sum of its proper divisors (17476479387).

227194231849 is a wasteful number, since it uses less digits than its factorization.

227194231849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17476479386.

The product of its digits is 1741824, while the sum is 52.

The spelling of 227194231849 in words is "two hundred twenty-seven billion, one hundred ninety-four million, two hundred thirty-one thousand, eight hundred forty-nine".