3122545220 has 24 divisors (see below), whose sum is σ = 6558461784. Its totient is φ = 1248805376.

The previous prime is 3122545187. The next prime is 3122545267. The reversal of 3122545220 is 225452213.

It can be written as a sum of positive squares in 4 ways, for example, as 1383988804 + 1738556416 = 37202^2 + 41696^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3122545220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166142 + ... + 183978.

It is an arithmetic number, because the mean of its divisors is an integer number (273269241).

Almost surely, 2^3122545220 is an apocalyptic number.

It is an amenable number.

3122545220 is an abundant number, since it is smaller than the sum of its proper divisors (3435916564).

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

3122545220 is a wasteful number, since it uses less digits than its factorization.

3122545220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26599 (or 26597 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3122545220 is about 55879.7389041860. The cubic root of 3122545220 is about 1461.6259517439.

Adding to 3122545220 its reverse (225452213), we get a palindrome (3347997433).

The spelling of 3122545220 in words is "three billion, one hundred twenty-two million, five hundred forty-five thousand, two hundred twenty".