6906222238 has 16 divisors (see below), whose sum is σ = 10633426560. Its totient is φ = 3362868000.

The previous prime is 6906222223. The next prime is 6906222247. The reversal of 6906222238 is 8322226096.

6906222238 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6906222238.

It is a congruent number.

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, 267918 + ... + 292561.

It is an arithmetic number, because the mean of its divisors is an integer number (664589160).

Almost surely, 2^6906222238 is an apocalyptic number.

6906222238 is a deficient number, since it is larger than the sum of its proper divisors (3727204322).

6906222238 is a wasteful number, since it uses less digits than its factorization.

6906222238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560643.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 6906222238 is about 83103.6836608342. The cubic root of 6906222238 is about 1904.3503490404.

The spelling of 6906222238 in words is "six billion, nine hundred six million, two hundred twenty-two thousand, two hundred thirty-eight".