4221722547 has 24 divisors (see below), whose sum is σ = 7111426400. Its totient is φ = 2412411120.

The previous prime is 4221722513. The next prime is 4221722567. The reversal of 4221722547 is 7452271224.

4221722547 is a `hidden beast` number, since 42 + 2 + 1 + 72 + 2 + 547 = 666.

4221722547 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4221722547 - 2⁸ = 4221722291 is a prime.

It is a super-3 number, since 3×4221722547³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221722567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 680704 + ... + 686877.

Almost surely, 2^4221722547 is an apocalyptic number.

4221722547 is a deficient number, since it is larger than the sum of its proper divisors (2889703853).

4221722547 is a wasteful number, since it uses less digits than its factorization.

4221722547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367608 (or 1367591 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 4221722547 is about 64974.7839319224. The cubic root of 4221722547 is about 1616.2054341065.

The spelling of 4221722547 in words is "four billion, two hundred twenty-one million, seven hundred twenty-two thousand, five hundred forty-seven".