22540314251 has 32 divisors (see below), whose sum is σ = 29266406400. Its totient is φ = 16858212480.

The previous prime is 22540314211. The next prime is 22540314253. The reversal of 22540314251 is 15241304522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22540314251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22540314253) 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 31 ways as a sum of consecutive naturals, for example, 782930 + ... + 811208.

It is an arithmetic number, because the mean of its divisors is an integer number (914575200).

Almost surely, 2^22540314251 is an apocalyptic number.

22540314251 is a deficient number, since it is larger than the sum of its proper divisors (6726092149).

22540314251 is a wasteful number, since it uses less digits than its factorization.

22540314251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28779.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 22540314251 its reverse (15241304522), we get a palindrome (37781618773).

The spelling of 22540314251 in words is "twenty-two billion, five hundred forty million, three hundred fourteen thousand, two hundred fifty-one".