22138099 has 12 divisors (see below), whose sum is σ = 23119824. Its totient is φ = 21194784.

The previous prime is 22138093. The next prime is 22138133. The reversal of 22138099 is 99083122.

It is not a de Polignac number, because 22138099 - 2⁷ = 22137971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22138093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140929 + ... + 141085.

It is an arithmetic number, because the mean of its divisors is an integer number (1926652).

Almost surely, 2^22138099 is an apocalyptic number.

22138099 is a deficient number, since it is larger than the sum of its proper divisors (981725).

22138099 is a wasteful number, since it uses less digits than its factorization.

22138099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 22138099 is about 4705.1141325158. The cubic root of 22138099 is about 280.7890118007.

The spelling of 22138099 in words is "twenty-two million, one hundred thirty-eight thousand, ninety-nine".