3222743906 has 4 divisors (see below), whose sum is σ = 4834115862. Its totient is φ = 1611371952.

The previous prime is 3222743891. The next prime is 3222743939. The reversal of 3222743906 is 6093472223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2913300625 + 309443281 = 53975^2 + 17591^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3222743906.

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, 805685975 + ... + 805685978.

Almost surely, 2^3222743906 is an apocalyptic number.

3222743906 is a deficient number, since it is larger than the sum of its proper divisors (1611371956).

3222743906 is a wasteful number, since it uses less digits than its factorization.

3222743906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611371955.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 3222743906 is about 56769.2161827165. The cubic root of 3222743906 is about 1477.0955801366.

The spelling of 3222743906 in words is "three billion, two hundred twenty-two million, seven hundred forty-three thousand, nine hundred six".