2132221266 has 64 divisors (see below), whose sum is σ = 5496053760. Its totient is φ = 600106320.

The previous prime is 2132221253. The next prime is 2132221309. The reversal of 2132221266 is 6621222312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

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, 16770 + ... + 67421.

It is an arithmetic number, because the mean of its divisors is an integer number (85875840).

Almost surely, 2^2132221266 is an apocalyptic number.

2132221266 is an abundant number, since it is smaller than the sum of its proper divisors (3363832494).

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

2132221266 is a wasteful number, since it uses less digits than its factorization.

2132221266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84276 (or 84270 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2132221266 is about 46175.9814838840. The cubic root of 2132221266 is about 1287.0954553441.

Adding to 2132221266 its reverse (6621222312), we get a palindrome (8753443578).

The spelling of 2132221266 in words is "two billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred sixty-six".