22040315551 has 4 divisors (see below), whose sum is σ = 22751293504. Its totient is φ = 21329337600.

The previous prime is 22040315537. The next prime is 22040315573. The reversal of 22040315551 is 15551304022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22040315551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040315251) 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 3 ways as a sum of consecutive naturals, for example, 355488930 + ... + 355488991.

It is an arithmetic number, because the mean of its divisors is an integer number (5687823376).

Almost surely, 2^22040315551 is an apocalyptic number.

22040315551 is a deficient number, since it is larger than the sum of its proper divisors (710977953).

22040315551 is an equidigital number, since it uses as much as digits as its factorization.

22040315551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710977952.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 22040315551 its reverse (15551304022), we get a palindrome (37591619573).

The spelling of 22040315551 in words is "twenty-two billion, forty million, three hundred fifteen thousand, five hundred fifty-one".