22092109 has 4 divisors (see below), whose sum is σ = 23791516. Its totient is φ = 20392704.

The previous prime is 22092107. The next prime is 22092139. The reversal of 22092109 is 90129022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2111209 + 19980900 = 1453^2 + 4470^2 .

It is a cyclic number.

It is not a de Polignac number, because 22092109 - 2¹ = 22092107 is a prime.

It is a super-2 number, since 2×22092109² = 976122560135762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22092101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849684 + ... + 849709.

It is an arithmetic number, because the mean of its divisors is an integer number (5947879).

Almost surely, 2^22092109 is an apocalyptic number.

It is an amenable number.

22092109 is a deficient number, since it is larger than the sum of its proper divisors (1699407).

22092109 is a wasteful number, since it uses less digits than its factorization.

22092109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699406.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 22092109 is about 4700.2243563473. The cubic root of 22092109 is about 280.5944386472.

It can be divided in two parts, 22092 and 109, that added together give a square (22201 = 149²).

The spelling of 22092109 in words is "twenty-two million, ninety-two thousand, one hundred nine".