60240221 has 4 divisors (see below), whose sum is σ = 62317500. Its totient is φ = 58162944.

The previous prime is 60240217. The next prime is 60240227. The reversal of 60240221 is 12204206.

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 + 24108100 = 6011^2 + 4910^2 .

It is a cyclic number.

It is not a de Polignac number, because 60240221 - 2² = 60240217 is a prime.

It is a super-2 number, since 2×60240221² = 7257768452257682, which contains 22 as substring.

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 60240221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60240227) 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, 1038596 + ... + 1038653.

It is an arithmetic number, because the mean of its divisors is an integer number (15579375).

Almost surely, 2^60240221 is an apocalyptic number.

It is an amenable number.

60240221 is a deficient number, since it is larger than the sum of its proper divisors (2077279).

60240221 is a wasteful number, since it uses less digits than its factorization.

60240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077278.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 60240221 is about 7761.4574018028. The cubic root of 60240221 is about 392.0085314157.

Adding to 60240221 its reverse (12204206), we get a palindrome (72444427).

The spelling of 60240221 in words is "sixty million, two hundred forty thousand, two hundred twenty-one".