3122242281 has 30 divisors (see below), whose sum is σ = 4690486350. Its totient is φ = 2069770752.

The previous prime is 3122242273. The next prime is 3122242301. The reversal of 3122242281 is 1822422213.

3122242281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2210504256 + 911738025 = 47016^2 + 30195^2 .

It is not a de Polignac number, because 3122242281 - 2³ = 3122242273 is a prime.

It is a super-2 number, since 2×3122242281² = 19496793722528165922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3122242231) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6953545 + ... + 6953993.

It is an arithmetic number, because the mean of its divisors is an integer number (156349545).

Almost surely, 2^3122242281 is an apocalyptic number.

It is an amenable number.

3122242281 is a deficient number, since it is larger than the sum of its proper divisors (1568244069).

3122242281 is an frugal number, since it uses more digits than its factorization.

3122242281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 745 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 3122242281 is about 55877.0282047999. The cubic root of 3122242281 is about 1461.5786828449.

Adding to 3122242281 its reverse (1822422213), we get a palindrome (4944664494).

The spelling of 3122242281 in words is "three billion, one hundred twenty-two million, two hundred forty-two thousand, two hundred eighty-one".