240160221 has 30 divisors (see below), whose sum is σ = 417337470. Its totient is φ = 137232144.

The previous prime is 240160211. The next prime is 240160307. The reversal of 240160221 is 122061042.

240160221 is a `hidden beast` number, since 2 + 40 + 1 + 602 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 238239225 + 1920996 = 15435^2 + 1386^2 .

It is not a de Polignac number, because 240160221 - 2¹¹ = 240158173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 240160194 and 240160203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240160211) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 26286 + ... + 34223.

It is an arithmetic number, because the mean of its divisors is an integer number (13911249).

Almost surely, 2^240160221 is an apocalyptic number.

240160221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

240160221 is a deficient number, since it is larger than the sum of its proper divisors (177177249).

240160221 is an equidigital number, since it uses as much as digits as its factorization.

240160221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60535 (or 60519 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 240160221 is about 15497.1036326147. The cubic root of 240160221 is about 621.5847604007.

It can be divided in two parts, 240 and 160221, that added together give a triangular number (160461 = T₅₆₆).

The spelling of 240160221 in words is "two hundred forty million, one hundred sixty thousand, two hundred twenty-one".