22010045251 has 8 divisors (see below), whose sum is σ = 22240893024. Its totient is φ = 21779278080.

The previous prime is 22010045221. The next prime is 22010045257. The reversal of 22010045251 is 15254001022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22010045251 - 2²¹ = 22007948099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010045257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642021 + ... + 675433.

It is an arithmetic number, because the mean of its divisors is an integer number (2780111628).

Almost surely, 2^22010045251 is an apocalyptic number.

22010045251 is a deficient number, since it is larger than the sum of its proper divisors (230847773).

22010045251 is an equidigital number, since it uses as much as digits as its factorization.

22010045251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40301.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 22010045251 its reverse (15254001022), we get a palindrome (37264046273).

The spelling of 22010045251 in words is "twenty-two billion, ten million, forty-five thousand, two hundred fifty-one".