22005005351 has 4 divisors (see below), whose sum is σ = 25148577552. Its totient is φ = 18861433152.

The previous prime is 22005005299. The next prime is 22005005417. The reversal of 22005005351 is 15350050022.

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 22005005351 - 2¹⁸ = 22004743207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005005951) 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, 1571786090 + ... + 1571786103.

It is an arithmetic number, because the mean of its divisors is an integer number (6287144388).

Almost surely, 2^22005005351 is an apocalyptic number.

22005005351 is a deficient number, since it is larger than the sum of its proper divisors (3143572201).

22005005351 is an equidigital number, since it uses as much as digits as its factorization.

22005005351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143572200.

The product of its (nonzero) digits is 1500, while the sum is 23.

Adding to 22005005351 its reverse (15350050022), we get a palindrome (37355055373).

The spelling of 22005005351 in words is "twenty-two billion, five million, five thousand, three hundred fifty-one".