3217149722 has 4 divisors (see below), whose sum is σ = 4825724586. Its totient is φ = 1608574860.

The previous prime is 3217149709. The next prime is 3217149737. The reversal of 3217149722 is 2279417123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2279417123 = 409 ⋅5573147.

It can be written as a sum of positive squares in only one way, i.e., 2979958921 + 237190801 = 54589^2 + 15401^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804287429 + ... + 804287432.

Almost surely, 2^3217149722 is an apocalyptic number.

3217149722 is a deficient number, since it is larger than the sum of its proper divisors (1608574864).

3217149722 is a wasteful number, since it uses less digits than its factorization.

3217149722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608574863.

The product of its digits is 42336, while the sum is 38.

The square root of 3217149722 is about 56719.9235013589. The cubic root of 3217149722 is about 1476.2404154594.

The spelling of 3217149722 in words is "three billion, two hundred seventeen million, one hundred forty-nine thousand, seven hundred twenty-two".