2661362226 has 24 divisors (see below), whose sum is σ = 5767266960. Its totient is φ = 886969656.

The previous prime is 2661362213. The next prime is 2661362227. The reversal of 2661362226 is 6222631662.

2661362226 is a `hidden beast` number, since 2 + 6 + 6 + 1 + 3 + 622 + 26 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2661362227) 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, 159885 + ... + 175743.

It is an arithmetic number, because the mean of its divisors is an integer number (240302790).

Almost surely, 2^2661362226 is an apocalyptic number.

2661362226 is an abundant number, since it is smaller than the sum of its proper divisors (3105904734).

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

2661362226 is a wasteful number, since it uses less digits than its factorization.

2661362226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25190 (or 25187 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 2661362226 is about 51588.3923571960. The cubic root of 2661362226 is about 1385.8024649300.

Adding to 2661362226 its reverse (6222631662), we get a palindrome (8883993888).

The spelling of 2661362226 in words is "two billion, six hundred sixty-one million, three hundred sixty-two thousand, two hundred twenty-six".