7021228005 has 24 divisors (see below), whose sum is σ = 13276504800. Its totient is φ = 3404231520.

The previous prime is 7021227991. The next prime is 7021228007. The reversal of 7021228005 is 5008221207.

It is not a de Polignac number, because 7021228005 - 2⁴ = 7021227989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7021228005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7021228007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7091655 + ... + 7092644.

It is an arithmetic number, because the mean of its divisors is an integer number (553187700).

Almost surely, 2^7021228005 is an apocalyptic number.

It is an amenable number.

7021228005 is a deficient number, since it is larger than the sum of its proper divisors (6255276795).

7021228005 is a wasteful number, since it uses less digits than its factorization.

7021228005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184321 (or 14184318 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7021228005 is about 83792.7682142081. The cubic root of 7021228005 is about 1914.8629319688.

The spelling of 7021228005 in words is "seven billion, twenty-one million, two hundred twenty-eight thousand, five".