2205940006 has 4 divisors (see below), whose sum is σ = 3308910012. Its totient is φ = 1102970002.

The previous prime is 2205940001. The next prime is 2205940019. The reversal of 2205940006 is 6000495022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6000495022 = 2 ⋅3000247511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205940001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551485000 + ... + 551485003.

It is an arithmetic number, because the mean of its divisors is an integer number (827227503).

Almost surely, 2^2205940006 is an apocalyptic number.

2205940006 is a deficient number, since it is larger than the sum of its proper divisors (1102970006).

2205940006 is a wasteful number, since it uses less digits than its factorization.

2205940006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102970005.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2205940006 is about 46967.4355910561. The cubic root of 2205940006 is about 1301.7609284321.

The spelling of 2205940006 in words is "two billion, two hundred five million, nine hundred forty thousand, six".