48452221 has 4 divisors (see below), whose sum is σ = 48491100. Its totient is φ = 48413344.

The previous prime is 48452207. The next prime is 48452233. The reversal of 48452221 is 12225484.

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 36132121 + 12320100 = 6011^2 + 3510^2 .

It is a cyclic number.

It is not a de Polignac number, because 48452221 - 2⁷ = 48452093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48452221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48452281) 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, 17506 + ... + 20083.

It is an arithmetic number, because the mean of its divisors is an integer number (12122775).

Almost surely, 2^48452221 is an apocalyptic number.

It is an amenable number.

48452221 is a deficient number, since it is larger than the sum of its proper divisors (38879).

48452221 is a wasteful number, since it uses less digits than its factorization.

48452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38878.

The product of its digits is 5120, while the sum is 28.

The square root of 48452221 is about 6960.7629610553. The cubic root of 48452221 is about 364.5618587086.

The spelling of 48452221 in words is "forty-eight million, four hundred fifty-two thousand, two hundred twenty-one".