22053640543205 has 4 divisors (see below), whose sum is σ = 26464368651852. Its totient is φ = 17642912434560.

The previous prime is 22053640543199. The next prime is 22053640543243. The reversal of 22053640543205 is 50234504635022.

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 3697094465089 + 18356546078116 = 1922783^2 + 4284454^2 .

It is not a de Polignac number, because 22053640543205 - 2⁴ = 22053640543189 is a prime.

It is a super-2 number, since 2×22053640543205² (a number of 27 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, 2205364054316 + ... + 2205364054325.

It is an arithmetic number, because the mean of its divisors is an integer number (6616092162963).

Almost surely, 2^{22053640543205} is an apocalyptic number.

It is an amenable number.

22053640543205 is a deficient number, since it is larger than the sum of its proper divisors (4410728108647).

22053640543205 is an equidigital number, since it uses as much as digits as its factorization.

22053640543205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410728108646.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 22053640543205 in words is "twenty-two trillion, fifty-three billion, six hundred forty million, five hundred forty-three thousand, two hundred five".