22043099 has 4 divisors (see below), whose sum is σ = 23738736. Its totient is φ = 20347464.

The previous prime is 22043089. The next prime is 22043107. The reversal of 22043099 is 99034022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99034022 = 2 ⋅49517011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22043099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22043069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847799 + ... + 847824.

It is an arithmetic number, because the mean of its divisors is an integer number (5934684).

Almost surely, 2^22043099 is an apocalyptic number.

22043099 is a deficient number, since it is larger than the sum of its proper divisors (1695637).

22043099 is a wasteful number, since it uses less digits than its factorization.

22043099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695636.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22043099 is about 4695.0078807176. The cubic root of 22043099 is about 280.3867911222.

The spelling of 22043099 in words is "twenty-two million, forty-three thousand, ninety-nine".