2206266340 has 48 divisors (see below), whose sum is σ = 4764538800. Its totient is φ = 857544192.

The previous prime is 2206266323. The next prime is 2206266343. The reversal of 2206266340 is 436626022.

It can be written as a sum of positive squares in 8 ways, for example, as 91738084 + 2114528256 = 9578^2 + 45984^2 .

It is a super-2 number, since 2×2206266340² = 9735222326033991200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2206266343) 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, 789666 + ... + 792454.

It is an arithmetic number, because the mean of its divisors is an integer number (99261225).

Almost surely, 2^2206266340 is an apocalyptic number.

2206266340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206266340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2382269400).

2206266340 is an abundant number, since it is smaller than the sum of its proper divisors (2558272460).

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

2206266340 is a wasteful number, since it uses less digits than its factorization.

2206266340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2206266340 is about 46970.9095079071. The cubic root of 2206266340 is about 1301.8251169267.

The spelling of 2206266340 in words is "two billion, two hundred six million, two hundred sixty-six thousand, three hundred forty".