7041028221 has 16 divisors (see below), whose sum is σ = 10459590400. Its totient is φ = 4681221984.

The previous prime is 7041028213. The next prime is 7041028231. The reversal of 7041028221 is 1228201407.

7041028221 is a `hidden beast` number, since 7 + 0 + 410 + 28 + 221 = 666.

It is not a de Polignac number, because 7041028221 - 2³ = 7041028213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7041028231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345376 + ... + 365193.

It is an arithmetic number, because the mean of its divisors is an integer number (653724400).

Almost surely, 2^7041028221 is an apocalyptic number.

It is an amenable number.

7041028221 is a deficient number, since it is larger than the sum of its proper divisors (3418562179).

7041028221 is a wasteful number, since it uses less digits than its factorization.

7041028221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710945 (or 710939 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 7041028221 is about 83910.8349440047. The cubic root of 7041028221 is about 1916.6612458305.

Adding to 7041028221 its reverse (1228201407), we get a palindrome (8269229628).

The spelling of 7041028221 in words is "seven billion, forty-one million, twenty-eight thousand, two hundred twenty-one".