48284221 has 4 divisors (see below), whose sum is σ = 48412000. Its totient is φ = 48156444.

The previous prime is 48284177. The next prime is 48284231. The reversal of 48284221 is 12248284.

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 48284221 - 2²¹ = 46187069 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 (48284231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63321 + ... + 64078.

It is an arithmetic number, because the mean of its divisors is an integer number (12103000).

Almost surely, 2^48284221 is an apocalyptic number.

It is an amenable number.

48284221 is a deficient number, since it is larger than the sum of its proper divisors (127779).

48284221 is a wasteful number, since it uses less digits than its factorization.

48284221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127778.

The product of its digits is 8192, while the sum is 31.

The square root of 48284221 is about 6948.6848395937. The cubic root of 48284221 is about 364.1400182860.

The spelling of 48284221 in words is "forty-eight million, two hundred eighty-four thousand, two hundred twenty-one".