2209429655 has 16 divisors (see below), whose sum is σ = 2786307744. Its totient is φ = 1679771520.

The previous prime is 2209429639. The next prime is 2209429669. The reversal of 2209429655 is 5569249022.

It is not a de Polignac number, because 2209429655 - 2⁴ = 2209429639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130916 + ... + 146825.

It is an arithmetic number, because the mean of its divisors is an integer number (174144234).

Almost surely, 2^2209429655 is an apocalyptic number.

2209429655 is a deficient number, since it is larger than the sum of its proper divisors (576878089).

2209429655 is a wasteful number, since it uses less digits than its factorization.

2209429655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277826.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 2209429655 is about 47004.5705756366. The cubic root of 2209429655 is about 1302.4469995859.

The spelling of 2209429655 in words is "two billion, two hundred nine million, four hundred twenty-nine thousand, six hundred fifty-five".