22540433109 has 4 divisors (see below), whose sum is σ = 30053910816. Its totient is φ = 15026955404.

The previous prime is 22540433099. The next prime is 22540433197. The reversal of 22540433109 is 90133404522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22540433109 - 2¹⁵ = 22540400341 is a prime.

It is a super-2 number, since 2×22540433109² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22540433109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540435109) 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, 3756738849 + ... + 3756738854.

It is an arithmetic number, because the mean of its divisors is an integer number (7513477704).

Almost surely, 2^22540433109 is an apocalyptic number.

It is an amenable number.

22540433109 is a deficient number, since it is larger than the sum of its proper divisors (7513477707).

22540433109 is an equidigital number, since it uses as much as digits as its factorization.

22540433109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513477706.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 22540433109 in words is "twenty-two billion, five hundred forty million, four hundred thirty-three thousand, one hundred nine".