2209117420 has 12 divisors (see below), whose sum is σ = 4639146624. Its totient is φ = 883646960.

The previous prime is 2209117397. The next prime is 2209117483. The reversal of 2209117420 is 247119022.

2209117420 is digitally balanced in base 2, because in such base 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 3 ways as a sum of consecutive naturals, for example, 55227916 + ... + 55227955.

It is an arithmetic number, because the mean of its divisors is an integer number (386595552).

Almost surely, 2^2209117420 is an apocalyptic number.

2209117420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2209117420 is an abundant number, since it is smaller than the sum of its proper divisors (2430029204).

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

2209117420 is a wasteful number, since it uses less digits than its factorization.

2209117420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110455880 (or 110455878 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2209117420 is about 47001.2491323369. The cubic root of 2209117420 is about 1302.3856430731.

The spelling of 2209117420 in words is "two billion, two hundred nine million, one hundred seventeen thousand, four hundred twenty".