22123099 has 4 divisors (see below), whose sum is σ = 22136400. Its totient is φ = 22109800.

The previous prime is 22123097. The next prime is 22123133. The reversal of 22123099 is 99032122.

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 22123099 - 2¹ = 22123097 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (22123093) 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, 3727 + ... + 7624.

It is an arithmetic number, because the mean of its divisors is an integer number (5534100).

Almost surely, 2^22123099 is an apocalyptic number.

22123099 is a deficient number, since it is larger than the sum of its proper divisors (13301).

22123099 is a wasteful number, since it uses less digits than its factorization.

22123099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13300.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 22123099 is about 4703.5198521958. The cubic root of 22123099 is about 280.7255798743.

The spelling of 22123099 in words is "twenty-two million, one hundred twenty-three thousand, ninety-nine".