3122209988 has 6 divisors (see below), whose sum is σ = 5463867486. Its totient is φ = 1561104992.

The previous prime is 3122209973. The next prime is 3122209991. The reversal of 3122209988 is 8899022213.

It can be written as a sum of positive squares in only one way, i.e., 2300929024 + 821280964 = 47968^2 + 28658^2 .

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 as a sum of consecutive naturals, namely, 390276245 + ... + 390276252.

It is an arithmetic number, because the mean of its divisors is an integer number (910644581).

Almost surely, 2^3122209988 is an apocalyptic number.

It is an amenable number.

3122209988 is a deficient number, since it is larger than the sum of its proper divisors (2341657498).

3122209988 is a wasteful number, since it uses less digits than its factorization.

3122209988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780552501 (or 780552499 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 3122209988 is about 55876.7392391503. The cubic root of 3122209988 is about 1461.5736438463.

The spelling of 3122209988 in words is "three billion, one hundred twenty-two million, two hundred nine thousand, nine hundred eighty-eight".