22010452505 has 16 divisors (see below), whose sum is σ = 27229127184. Its totient is φ = 17069445120.

The previous prime is 22010452501. The next prime is 22010452523. The reversal of 22010452505 is 50525401022.

It can be written as a sum of positive squares in 8 ways, for example, as 1070336656 + 20940115849 = 32716^2 + 144707^2 .

It is not a de Polignac number, because 22010452505 - 2² = 22010452501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010452501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309752 + ... + 374121.

It is an arithmetic number, because the mean of its divisors is an integer number (1701820449).

Almost surely, 2^22010452505 is an apocalyptic number.

It is an amenable number.

22010452505 is a deficient number, since it is larger than the sum of its proper divisors (5218674679).

22010452505 is a wasteful number, since it uses less digits than its factorization.

22010452505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684076.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 22010452505 its reverse (50525401022), we get a palindrome (72535853527).

The spelling of 22010452505 in words is "twenty-two billion, ten million, four hundred fifty-two thousand, five hundred five".