3722444449 has 4 divisors (see below), whose sum is σ = 3741150400. Its totient is φ = 3703738500.

The previous prime is 3722444431. The next prime is 3722444483. The reversal of 3722444449 is 9444442273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9444442273 = 7 ⋅1349206039.

It is a cyclic number.

It is not a de Polignac number, because 3722444449 - 2⁵ = 3722444417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3722444249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9352677 + ... + 9353074.

It is an arithmetic number, because the mean of its divisors is an integer number (935287600).

Almost surely, 2^3722444449 is an apocalyptic number.

It is an amenable number.

3722444449 is a deficient number, since it is larger than the sum of its proper divisors (18705951).

3722444449 is a wasteful number, since it uses less digits than its factorization.

3722444449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705950.

The product of its digits is 774144, while the sum is 43.

The square root of 3722444449 is about 61011.8385971116. The cubic root of 3722444449 is about 1549.8014936907.

The spelling of 3722444449 in words is "three billion, seven hundred twenty-two million, four hundred forty-four thousand, four hundred forty-nine".