22453015205 has 4 divisors (see below), whose sum is σ = 26943618252. Its totient is φ = 17962412160.

The previous prime is 22453015199. The next prime is 22453015229. The reversal of 22453015205 is 50251035422.

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 15308370529 + 7144644676 = 123727^2 + 84526^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22453015205 is a prime.

It is a super-2 number, since 2×22453015205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245301516 + ... + 2245301525.

It is an arithmetic number, because the mean of its divisors is an integer number (6735904563).

Almost surely, 2^22453015205 is an apocalyptic number.

It is an amenable number.

22453015205 is a deficient number, since it is larger than the sum of its proper divisors (4490603047).

22453015205 is an equidigital number, since it uses as much as digits as its factorization.

22453015205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490603046.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 22453015205 in words is "twenty-two billion, four hundred fifty-three million, fifteen thousand, two hundred five".