2221022706 has 24 divisors (see below), whose sum is σ = 5167278000. Its totient is φ = 634577832.

The previous prime is 2221022701. The next prime is 2221022729. The reversal of 2221022706 is 6072201222.

It is not an unprimeable number, because it can be changed into a prime (2221022701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3776956 + ... + 3777543.

It is an arithmetic number, because the mean of its divisors is an integer number (215303250).

Almost surely, 2^2221022706 is an apocalyptic number.

2221022706 is an abundant number, since it is smaller than the sum of its proper divisors (2946255294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221022706 is a wasteful number, since it uses less digits than its factorization.

2221022706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7554518 (or 7554511 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2221022706 is about 47127.7275709322. The cubic root of 2221022706 is about 1304.7210407683.

Adding to 2221022706 its reverse (6072201222), we get a palindrome (8293223928).

The spelling of 2221022706 in words is "two billion, two hundred twenty-one million, twenty-two thousand, seven hundred six".