22533109 has 16 divisors (see below), whose sum is σ = 24669360. Its totient is φ = 20500480.

The previous prime is 22533097. The next prime is 22533113. The reversal of 22533109 is 90133522.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 770884 + 21762225 = 878^2 + 4665^2 .

It is a cyclic number.

It is not a de Polignac number, because 22533109 - 2¹³ = 22524917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22533509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80049 + ... + 80329.

It is an arithmetic number, because the mean of its divisors is an integer number (1541835).

Almost surely, 2^22533109 is an apocalyptic number.

It is an amenable number.

22533109 is a deficient number, since it is larger than the sum of its proper divisors (2136251).

22533109 is a wasteful number, since it uses less digits than its factorization.

22533109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 22533109 is about 4746.9052023397. The cubic root of 22533109 is about 282.4492152948.

The spelling of 22533109 in words is "twenty-two million, five hundred thirty-three thousand, one hundred nine".