2191327022 has 8 divisors (see below), whose sum is σ = 3287197200. Its totient is φ = 1095594624.

The previous prime is 2191327003. The next prime is 2191327027. The reversal of 2191327022 is 2207231912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2191327027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27854 + ... + 71822.

It is an arithmetic number, because the mean of its divisors is an integer number (410899650).

Almost surely, 2^2191327022 is an apocalyptic number.

2191327022 is a deficient number, since it is larger than the sum of its proper divisors (1095870178).

2191327022 is a wasteful number, since it uses less digits than its factorization.

2191327022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68890.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2191327022 is about 46811.6120423127. The cubic root of 2191327022 is about 1298.8801049628.

Adding to 2191327022 its reverse (2207231912), we get a palindrome (4398558934).

The spelling of 2191327022 in words is "two billion, one hundred ninety-one million, three hundred twenty-seven thousand, twenty-two".