22051827249 has 16 divisors (see below), whose sum is σ = 29509128000. Its totient is φ = 14647965696.

The previous prime is 22051827209. The next prime is 22051827283. The reversal of 22051827249 is 94272815022.

It is not a de Polignac number, because 22051827249 - 2¹³ = 22051819057 is a prime.

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 22051827249.

It is not an unprimeable number, because it can be changed into a prime (22051827209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984357 + ... + 1006509.

It is an arithmetic number, because the mean of its divisors is an integer number (1844320500).

Almost surely, 2^22051827249 is an apocalyptic number.

It is an amenable number.

22051827249 is a deficient number, since it is larger than the sum of its proper divisors (7457300751).

22051827249 is a wasteful number, since it uses less digits than its factorization.

22051827249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23344.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 22051827249 in words is "twenty-two billion, fifty-one million, eight hundred twenty-seven thousand, two hundred forty-nine".