3111402224 has 80 divisors (see below), whose sum is σ = 7114592256. Its totient is φ = 1290297600.

The previous prime is 3111402221. The next prime is 3111402227. The reversal of 3111402224 is 4222041113.

It is an interprime number because it is at equal distance from previous prime (3111402221) and next prime (3111402227).

It is a junction number, because it is equal to n+sod(n) for n = 3111402196 and 3111402205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111402221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789539 + ... + 793469.

Almost surely, 2^3111402224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111402224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3557296128).

3111402224 is an abundant number, since it is smaller than the sum of its proper divisors (4003190032).

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

3111402224 is a wasteful number, since it uses less digits than its factorization.

3111402224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3111402224 is about 55779.9446396283. The cubic root of 3111402224 is about 1459.8852452497.

Adding to 3111402224 its reverse (4222041113), we get a palindrome (7333443337).

The spelling of 3111402224 in words is "three billion, one hundred eleven million, four hundred two thousand, two hundred twenty-four".