22040099 has 4 divisors (see below), whose sum is σ = 22413720. Its totient is φ = 21666480.

The previous prime is 22040071. The next prime is 22040107. The reversal of 22040099 is 99004022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22040099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22040009) 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, 186722 + ... + 186839.

It is an arithmetic number, because the mean of its divisors is an integer number (5603430).

Almost surely, 2^22040099 is an apocalyptic number.

22040099 is a deficient number, since it is larger than the sum of its proper divisors (373621).

22040099 is an equidigital number, since it uses as much as digits as its factorization.

22040099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373620.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 22040099 is about 4694.6883815649. The cubic root of 22040099 is about 280.3740706099.

The spelling of 22040099 in words is "twenty-two million, forty thousand, ninety-nine".