22340244251 has 8 divisors (see below), whose sum is σ = 25324973520. Its totient is φ = 19536407712.

The previous prime is 22340244247. The next prime is 22340244253. The reversal of 22340244251 is 15244204322.

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

It is a cyclic number.

It is not a de Polignac number, because 22340244251 - 2² = 22340244247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22340244253) 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 7 ways as a sum of consecutive naturals, for example, 45222920 + ... + 45223413.

It is an arithmetic number, because the mean of its divisors is an integer number (3165621690).

Almost surely, 2^22340244251 is an apocalyptic number.

22340244251 is a deficient number, since it is larger than the sum of its proper divisors (2984729269).

22340244251 is a wasteful number, since it uses less digits than its factorization.

22340244251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90446365.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 22340244251 its reverse (15244204322), we get a palindrome (37584448573).

The spelling of 22340244251 in words is "twenty-two billion, three hundred forty million, two hundred forty-four thousand, two hundred fifty-one".