3100444220 has 24 divisors (see below), whose sum is σ = 6512022384. Its totient is φ = 1239970176.

The previous prime is 3100444219. The next prime is 3100444223. The reversal of 3100444220 is 224440013.

It is a super-2 number, since 2×3100444220² = 19225508722662816800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3100444192 and 3100444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100444223) 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, 178439 + ... + 195041.

It is an arithmetic number, because the mean of its divisors is an integer number (271334266).

Almost surely, 2^3100444220 is an apocalyptic number.

It is an amenable number.

3100444220 is an abundant number, since it is smaller than the sum of its proper divisors (3411578164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3100444220 is a wasteful number, since it uses less digits than its factorization.

3100444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25949 (or 25947 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3100444220 is about 55681.6326987634. The cubic root of 3100444220 is about 1458.1693794964.

Adding to 3100444220 its reverse (224440013), we get a palindrome (3324884233).

The spelling of 3100444220 in words is "three billion, one hundred million, four hundred forty-four thousand, two hundred twenty".