2215005206 has 4 divisors (see below), whose sum is σ = 3322507812. Its totient is φ = 1107502602.

The previous prime is 2215005173. The next prime is 2215005209. The reversal of 2215005206 is 6025005122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215005209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553751300 + ... + 553751303.

It is an arithmetic number, because the mean of its divisors is an integer number (830626953).

Almost surely, 2^2215005206 is an apocalyptic number.

2215005206 is a deficient number, since it is larger than the sum of its proper divisors (1107502606).

2215005206 is a wasteful number, since it uses less digits than its factorization.

2215005206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107502605.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2215005206 is about 47063.8418108849. The cubic root of 2215005206 is about 1303.5416651571.

The spelling of 2215005206 in words is "two billion, two hundred fifteen million, five thousand, two hundred six".