22550451505 has 4 divisors (see below), whose sum is σ = 27060541812. Its totient is φ = 18040361200.

The previous prime is 22550451479. The next prime is 22550451529. The reversal of 22550451505 is 50515405522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14534472481 + 8015979024 = 120559^2 + 89532^2 .

It is not a de Polignac number, because 22550451505 - 2⁷ = 22550451377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255045146 + ... + 2255045155.

It is an arithmetic number, because the mean of its divisors is an integer number (6765135453).

Almost surely, 2^22550451505 is an apocalyptic number.

It is an amenable number.

22550451505 is a deficient number, since it is larger than the sum of its proper divisors (4510090307).

22550451505 is an equidigital number, since it uses as much as digits as its factorization.

22550451505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510090306.

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 22550451505 in words is "twenty-two billion, five hundred fifty million, four hundred fifty-one thousand, five hundred five".