4224449138 has 32 divisors (see below), whose sum is σ = 7842132480. Its totient is φ = 1661964480.

The previous prime is 4224449101. The next prime is 4224449161. The reversal of 4224449138 is 8319444224.

It is a junction number, because it is equal to n+sod(n) for n = 4224449095 and 4224449104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31178 + ... + 97061.

It is an arithmetic number, because the mean of its divisors is an integer number (245066640).

Almost surely, 2^4224449138 is an apocalyptic number.

4224449138 is a deficient number, since it is larger than the sum of its proper divisors (3617683342).

4224449138 is a wasteful number, since it uses less digits than its factorization.

4224449138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128442.

The product of its digits is 221184, while the sum is 41.

The square root of 4224449138 is about 64995.7624618713. The cubic root of 4224449138 is about 1616.5533002354.

The spelling of 4224449138 in words is "four billion, two hundred twenty-four million, four hundred forty-nine thousand, one hundred thirty-eight".