22124091 has 32 divisors (see below), whose sum is σ = 34025472. Its totient is φ = 12656160.

The previous prime is 22124083. The next prime is 22124099. The reversal of 22124091 is 19042122.

It is an interprime number because it is at equal distance from previous prime (22124083) and next prime (22124099).

It is not a de Polignac number, because 22124091 - 2³ = 22124083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22124099) 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 31 ways as a sum of consecutive naturals, for example, 78036 + ... + 78318.

It is an arithmetic number, because the mean of its divisors is an integer number (1063296).

Almost surely, 2^22124091 is an apocalyptic number.

22124091 is a deficient number, since it is larger than the sum of its proper divisors (11901381).

22124091 is a wasteful number, since it uses less digits than its factorization.

22124091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 22124091 is about 4703.6253039544. The cubic root of 22124091 is about 280.7297757243.

The spelling of 22124091 in words is "twenty-two million, one hundred twenty-four thousand, ninety-one".