6627222394 has 8 divisors (see below), whose sum is σ = 10705513140. Its totient is φ = 3058718016.

The previous prime is 6627222391. The next prime is 6627222443. The reversal of 6627222394 is 4932227266.

It can be written as a sum of positive squares in 2 ways, for example, as 6563430225 + 63792169 = 81015^2 + 7987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6627222394.

It is not an unprimeable number, because it can be changed into a prime (6627222391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127446559 + ... + 127446610.

Almost surely, 2^6627222394 is an apocalyptic number.

6627222394 is a deficient number, since it is larger than the sum of its proper divisors (4078290746).

6627222394 is a wasteful number, since it uses less digits than its factorization.

6627222394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254893184.

The product of its digits is 435456, while the sum is 43.

The square root of 6627222394 is about 81407.7538935942. The cubic root of 6627222394 is about 1878.3528648751.

The spelling of 6627222394 in words is "six billion, six hundred twenty-seven million, two hundred twenty-two thousand, three hundred ninety-four".