22423053551 has 4 divisors (see below), whose sum is σ = 22424423112. Its totient is φ = 22421683992.

The previous prime is 22423053511. The next prime is 22423053557. The reversal of 22423053551 is 15535032422.

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

It is a cyclic number.

It is not a de Polignac number, because 22423053551 - 2¹⁴ = 22423037167 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 (22423053557) 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, 659921 + ... + 693066.

It is an arithmetic number, because the mean of its divisors is an integer number (5606105778).

Almost surely, 2^22423053551 is an apocalyptic number.

22423053551 is a deficient number, since it is larger than the sum of its proper divisors (1369561).

22423053551 is a wasteful number, since it uses less digits than its factorization.

22423053551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369560.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 22423053551 its reverse (15535032422), we get a palindrome (37958085973).

The spelling of 22423053551 in words is "twenty-two billion, four hundred twenty-three million, fifty-three thousand, five hundred fifty-one".