2209692243 has 16 divisors (see below), whose sum is σ = 3266790912. Its totient is φ = 1317252000.

The previous prime is 2209692193. The next prime is 2209692257. The reversal of 2209692243 is 3422969022.

It is a happy number.

2209692243 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 not a de Polignac number, because 2209692243 - 2¹³ = 2209684051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2209692293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546843 + ... + 550868.

It is an arithmetic number, because the mean of its divisors is an integer number (204174432).

Almost surely, 2^2209692243 is an apocalyptic number.

2209692243 is a deficient number, since it is larger than the sum of its proper divisors (1057098669).

2209692243 is a wasteful number, since it uses less digits than its factorization.

2209692243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097786.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 2209692243 is about 47007.3637103805. The cubic root of 2209692243 is about 1302.4985956172.

The spelling of 2209692243 in words is "two billion, two hundred nine million, six hundred ninety-two thousand, two hundred forty-three".