48402217 has 4 divisors (see below), whose sum is σ = 48454596. Its totient is φ = 48349840.

The previous prime is 48402187. The next prime is 48402223. The reversal of 48402217 is 71220484.

48402217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40500496 + 7901721 = 6364^2 + 2811^2 .

It is a cyclic number.

It is not a de Polignac number, because 48402217 - 2⁷ = 48402089 is a prime.

It is a super-2 number, since 2×48402217² = 4685549221030178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48402227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24778 + ... + 26659.

It is an arithmetic number, because the mean of its divisors is an integer number (12113649).

Almost surely, 2^48402217 is an apocalyptic number.

It is an amenable number.

48402217 is a deficient number, since it is larger than the sum of its proper divisors (52379).

48402217 is an equidigital number, since it uses as much as digits as its factorization.

48402217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52378.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 48402217 is about 6957.1701862180. The cubic root of 48402217 is about 364.4364029811.

The spelling of 48402217 in words is "forty-eight million, four hundred two thousand, two hundred seventeen".