48865221 has 8 divisors (see below), whose sum is σ = 72392960. Its totient is φ = 32576796.

The previous prime is 48865217. The next prime is 48865237. The reversal of 48865221 is 12256884.

It is not a de Polignac number, because 48865221 - 2² = 48865217 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 (48865241) 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, 904885 + ... + 904938.

It is an arithmetic number, because the mean of its divisors is an integer number (9049120).

Almost surely, 2^48865221 is an apocalyptic number.

It is an amenable number.

48865221 is a deficient number, since it is larger than the sum of its proper divisors (23527739).

48865221 is a wasteful number, since it uses less digits than its factorization.

48865221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809832 (or 1809826 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 48865221 is about 6990.3662994152. The cubic root of 48865221 is about 365.5947543685.

The spelling of 48865221 in words is "forty-eight million, eight hundred sixty-five thousand, two hundred twenty-one".