4272422421 has 8 divisors (see below), whose sum is σ = 5706541984. Its totient is φ = 2843292240.

The previous prime is 4272422411. The next prime is 4272422443. The reversal of 4272422421 is 1242242724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4272422421 - 2⁵ = 4272422389 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 (4272422411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245346 + ... + 1248771.

It is an arithmetic number, because the mean of its divisors is an integer number (713317748).

Almost surely, 2^4272422421 is an apocalyptic number.

It is an amenable number.

4272422421 is a deficient number, since it is larger than the sum of its proper divisors (1434119563).

4272422421 is a wasteful number, since it uses less digits than its factorization.

4272422421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494691.

The product of its digits is 14336, while the sum is 30.

The square root of 4272422421 is about 65363.7699417651. The cubic root of 4272422421 is about 1622.6495307038.

The spelling of 4272422421 in words is "four billion, two hundred seventy-two million, four hundred twenty-two thousand, four hundred twenty-one".