2222305206 has 64 divisors (see below), whose sum is σ = 5138380800. Its totient is φ = 634323200.

The previous prime is 2222305187. The next prime is 2222305219. The reversal of 2222305206 is 6025032222.

It is a super-2 number, since 2×2222305206² = 9877280857229404872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64315 + ... + 92633.

It is an arithmetic number, because the mean of its divisors is an integer number (80287200).

Almost surely, 2^2222305206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222305206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2569190400).

2222305206 is an abundant number, since it is smaller than the sum of its proper divisors (2916075594).

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

2222305206 is a wasteful number, since it uses less digits than its factorization.

2222305206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28405.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2222305206 is about 47141.3322467662. The cubic root of 2222305206 is about 1304.9721237128.

Adding to 2222305206 its reverse (6025032222), we get a palindrome (8247337428).

The spelling of 2222305206 in words is "two billion, two hundred twenty-two million, three hundred five thousand, two hundred six".