22552044324451 has 4 divisors (see below), whose sum is σ = 22552054130592. Its totient is φ = 22552034518312.

The previous prime is 22552044324391. The next prime is 22552044324473. The reversal of 22552044324451 is 15442344025522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22552044324451 - 2¹⁷ = 22552044193379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22552044324398 and 22552044324407.

It is not an unprimeable number, because it can be changed into a prime (22552044304451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621750 + ... + 6744676.

It is an arithmetic number, because the mean of its divisors is an integer number (5638013532648).

Almost surely, 2^{22552044324451} is an apocalyptic number.

22552044324451 is a deficient number, since it is larger than the sum of its proper divisors (9806141).

22552044324451 is an equidigital number, since it uses as much as digits as its factorization.

22552044324451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9806140.

The product of its (nonzero) digits is 1536000, while the sum is 43.

Adding to 22552044324451 its reverse (15442344025522), we get a palindrome (37994388349973).

The spelling of 22552044324451 in words is "twenty-two trillion, five hundred fifty-two billion, forty-four million, three hundred twenty-four thousand, four hundred fifty-one".