48839221 has 2 divisors, whose sum is σ = 48839222. Its totient is φ = 48839220.

The previous prime is 48839191. The next prime is 48839227. The reversal of 48839221 is 12293884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37380996 + 11458225 = 6114^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 48839221 - 2⁷ = 48839093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48839227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24419610 + 24419611.

It is an arithmetic number, because the mean of its divisors is an integer number (24419611).

Almost surely, 2^48839221 is an apocalyptic number.

It is an amenable number.

48839221 is a deficient number, since it is larger than the sum of its proper divisors (1).

48839221 is an equidigital number, since it uses as much as digits as its factorization.

48839221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 48839221 is about 6988.5063497145. The cubic root of 48839221 is about 365.5299014950.

The spelling of 48839221 in words is "forty-eight million, eight hundred thirty-nine thousand, two hundred twenty-one".