4220243457 has 4 divisors (see below), whose sum is σ = 5626991280. Its totient is φ = 2813495636.

The previous prime is 4220243429. The next prime is 4220243477. The reversal of 4220243457 is 7543420224.

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.

It is a cyclic number.

It is not a de Polignac number, because 4220243457 - 2⁶ = 4220243393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4220243407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703373907 + ... + 703373912.

It is an arithmetic number, because the mean of its divisors is an integer number (1406747820).

Almost surely, 2^4220243457 is an apocalyptic number.

It is an amenable number.

4220243457 is a deficient number, since it is larger than the sum of its proper divisors (1406747823).

4220243457 is a wasteful number, since it uses less digits than its factorization.

4220243457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406747822.

The product of its (nonzero) digits is 53760, while the sum is 33.

The square root of 4220243457 is about 64963.4009038936. The cubic root of 4220243457 is about 1616.0166649886.

The spelling of 4220243457 in words is "four billion, two hundred twenty million, two hundred forty-three thousand, four hundred fifty-seven".