3122001144 has 80 divisors (see below), whose sum is σ = 8875132200. Its totient is φ = 1025120448.

The previous prime is 3122001121. The next prime is 3122001161. The reversal of 3122001144 is 4411002213.

It is a super-2 number, since 2×3122001144² = 19493782286274617472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7462 + ... + 79370.

Almost surely, 2^3122001144 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 3122001144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4437566100).

3122001144 is an abundant number, since it is smaller than the sum of its proper divisors (5753131056).

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

3122001144 is a wasteful number, since it uses less digits than its factorization.

3122001144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71994 (or 71981 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3122001144 is about 55874.8704159571. The cubic root of 3122001144 is about 1461.5410549970.

Adding to 3122001144 its reverse (4411002213), we get a palindrome (7533003357).

The spelling of 3122001144 in words is "three billion, one hundred twenty-two million, one thousand, one hundred forty-four".