7229444447 has 4 divisors (see below), whose sum is σ = 7238945136. Its totient is φ = 7219943760.

The previous prime is 7229444437. The next prime is 7229444461. The reversal of 7229444447 is 7444449227.

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

It is a cyclic number.

It is not a de Polignac number, because 7229444447 - 2²⁰ = 7228395871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7229444437) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4749203 + ... + 4750724.

It is an arithmetic number, because the mean of its divisors is an integer number (1809736284).

Almost surely, 2^7229444447 is an apocalyptic number.

7229444447 is a deficient number, since it is larger than the sum of its proper divisors (9500689).

7229444447 is an equidigital number, since it uses as much as digits as its factorization.

7229444447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500688.

The product of its digits is 1806336, while the sum is 47.

The square root of 7229444447 is about 85026.1397865386. The cubic root of 7229444447 is about 1933.6074392339.

The spelling of 7229444447 in words is "seven billion, two hundred twenty-nine million, four hundred forty-four thousand, four hundred forty-seven".