2208640141 has 4 divisors (see below), whose sum is σ = 2209868284. Its totient is φ = 2207412000.

The previous prime is 2208640127. The next prime is 2208640171. The reversal of 2208640141 is 1410468022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1410468022 = 2 ⋅705234011.

It can be written as a sum of positive squares in 2 ways, for example, as 168220900 + 2040419241 = 12970^2 + 45171^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208640141 - 2¹¹ = 2208638093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208640171) 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, 611370 + ... + 614971.

It is an arithmetic number, because the mean of its divisors is an integer number (552467071).

Almost surely, 2^2208640141 is an apocalyptic number.

It is an amenable number.

2208640141 is a deficient number, since it is larger than the sum of its proper divisors (1228143).

2208640141 is a wasteful number, since it uses less digits than its factorization.

2208640141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228142.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2208640141 is about 46996.1715568407. The cubic root of 2208640141 is about 1302.2918430057.

The spelling of 2208640141 in words is "two billion, two hundred eight million, six hundred forty thousand, one hundred forty-one".