4225872191 has 4 divisors (see below), whose sum is σ = 4226229384. Its totient is φ = 4225515000.

The previous prime is 4225872151. The next prime is 4225872263. The reversal of 4225872191 is 1912785224.

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 4225872191 - 2²⁶ = 4158763327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225872151) 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, 160220 + ... + 184721.

It is an arithmetic number, because the mean of its divisors is an integer number (1056557346).

Almost surely, 2^4225872191 is an apocalyptic number.

4225872191 is a deficient number, since it is larger than the sum of its proper divisors (357193).

4225872191 is a wasteful number, since it uses less digits than its factorization.

4225872191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357192.

The product of its digits is 80640, while the sum is 41.

The square root of 4225872191 is about 65006.7088153215. The cubic root of 4225872191 is about 1616.7347978845.

The spelling of 4225872191 in words is "four billion, two hundred twenty-five million, eight hundred seventy-two thousand, one hundred ninety-one".