4225649819 has 8 divisors (see below), whose sum is σ = 4255666800. Its totient is φ = 4195672416.

The previous prime is 4225649801. The next prime is 4225649843. The reversal of 4225649819 is 9189465224.

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 4225649819 - 2⁸ = 4225649563 is a prime.

It is a super-2 number, since 2×4225649819² = 35712232785629465522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4225649899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223757 + ... + 241905.

It is an arithmetic number, because the mean of its divisors is an integer number (531958350).

Almost surely, 2^4225649819 is an apocalyptic number.

4225649819 is a deficient number, since it is larger than the sum of its proper divisors (30016981).

4225649819 is a wasteful number, since it uses less digits than its factorization.

4225649819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19789.

The product of its digits is 1244160, while the sum is 50.

The square root of 4225649819 is about 65004.9984155065. The cubic root of 4225649819 is about 1616.7064390163.

The spelling of 4225649819 in words is "four billion, two hundred twenty-five million, six hundred forty-nine thousand, eight hundred nineteen".