2174221099 has 4 divisors (see below), whose sum is σ = 2190091464. Its totient is φ = 2158350736.

The previous prime is 2174221097. The next prime is 2174221111. The reversal of 2174221099 is 9901224712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2174221099 - 2¹ = 2174221097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2174221097) 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, 7934977 + ... + 7935250.

It is an arithmetic number, because the mean of its divisors is an integer number (547522866).

Almost surely, 2^2174221099 is an apocalyptic number.

2174221099 is a deficient number, since it is larger than the sum of its proper divisors (15870365).

2174221099 is a wasteful number, since it uses less digits than its factorization.

2174221099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15870364.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2174221099 is about 46628.5438224271. The cubic root of 2174221099 is about 1295.4915023855.

The spelling of 2174221099 in words is "two billion, one hundred seventy-four million, two hundred twenty-one thousand, ninety-nine".