3121240222 has 16 divisors (see below), whose sum is σ = 4958984592. Its totient is φ = 1468309120.

The previous prime is 3121240211. The next prime is 3121240237. The reversal of 3121240222 is 2220421213.

It is a self number, because there is not a number n which added to its sum of digits gives 3121240222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94572 + ... + 123232.

It is an arithmetic number, because the mean of its divisors is an integer number (309936537).

Almost surely, 2^3121240222 is an apocalyptic number.

3121240222 is a deficient number, since it is larger than the sum of its proper divisors (1837744370).

3121240222 is a wasteful number, since it uses less digits than its factorization.

3121240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31883.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3121240222 is about 55868.0608398036. The cubic root of 3121240222 is about 1461.4223054028.

Adding to 3121240222 its reverse (2220421213), we get a palindrome (5341661435).

The spelling of 3121240222 in words is "three billion, one hundred twenty-one million, two hundred forty thousand, two hundred twenty-two".