3123031222 has 4 divisors (see below), whose sum is σ = 4684546836. Its totient is φ = 1561515610.

The previous prime is 3123031193. The next prime is 3123031243. The reversal of 3123031222 is 2221303213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2221303213 = 59 ⋅37649207.

It is a self number, because there is not a number n which added to its sum of digits gives 3123031222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780757804 + ... + 780757807.

It is an arithmetic number, because the mean of its divisors is an integer number (1171136709).

Almost surely, 2^3123031222 is an apocalyptic number.

3123031222 is a deficient number, since it is larger than the sum of its proper divisors (1561515614).

3123031222 is a wasteful number, since it uses less digits than its factorization.

3123031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561515613.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3123031222 is about 55884.0873773564. The cubic root of 3123031222 is about 1461.7017783784.

Adding to 3123031222 its reverse (2221303213), we get a palindrome (5344334435).

The spelling of 3123031222 in words is "three billion, one hundred twenty-three million, thirty-one thousand, two hundred twenty-two".