2209685106 has 16 divisors (see below), whose sum is σ = 4491819648. Its totient is φ = 724486800.

The previous prime is 2209685089. The next prime is 2209685117. The reversal of 2209685106 is 6015869022.

2209685106 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3018330 + ... + 3019061.

It is an arithmetic number, because the mean of its divisors is an integer number (280738728).

Almost surely, 2^2209685106 is an apocalyptic number.

2209685106 is an abundant number, since it is smaller than the sum of its proper divisors (2282134542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2209685106 is a wasteful number, since it uses less digits than its factorization.

2209685106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037457.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 2209685106 is about 47007.2877966811. The cubic root of 2209685106 is about 1302.4971933190.

The spelling of 2209685106 in words is "two billion, two hundred nine million, six hundred eighty-five thousand, one hundred six".