48361221 has 6 divisors (see below), whose sum is σ = 69855110. Its totient is φ = 32240808.

The previous prime is 48361207. The next prime is 48361237. The reversal of 48361221 is 12216384.

48361221 is a `hidden beast` number, since 48 + 3 + 612 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44076321 + 4284900 = 6639^2 + 2070^2 .

It is not a de Polignac number, because 48361221 - 2⁹ = 48360709 is a prime.

It is a super-2 number, since 2×48361221² = 4677615393221682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48361121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2686726 + ... + 2686743.

Almost surely, 2^48361221 is an apocalyptic number.

It is an amenable number.

48361221 is a deficient number, since it is larger than the sum of its proper divisors (21493889).

48361221 is a wasteful number, since it uses less digits than its factorization.

48361221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373475 (or 5373472 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 48361221 is about 6954.2232492206. The cubic root of 48361221 is about 364.3334830751. Note that the first 3 decimals are identical.

The spelling of 48361221 in words is "forty-eight million, three hundred sixty-one thousand, two hundred twenty-one".