2010546221 has 4 divisors (see below), whose sum is σ = 2011153500. Its totient is φ = 2009938944.

The previous prime is 2010546193. The next prime is 2010546229. The reversal of 2010546221 is 1226450102.

It is a happy number.

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 302377321 + 1708168900 = 17389^2 + 41330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010546221 is a prime.

It is a super-2 number, since 2×2010546221² = 8084592213554761682, 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 (2010546229) 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, 298646 + ... + 305303.

It is an arithmetic number, because the mean of its divisors is an integer number (502788375).

Almost surely, 2^2010546221 is an apocalyptic number.

It is an amenable number.

2010546221 is a deficient number, since it is larger than the sum of its proper divisors (607279).

2010546221 is an equidigital number, since it uses as much as digits as its factorization.

2010546221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607278.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2010546221 is about 44839.1148552243. The cubic root of 2010546221 is about 1262.1317363440.

Adding to 2010546221 its reverse (1226450102), we get a palindrome (3236996323).

The spelling of 2010546221 in words is "two billion, ten million, five hundred forty-six thousand, two hundred twenty-one".