6612212394 has 36 divisors (see below), whose sum is σ = 14803550658. Its totient is φ = 2132966160.

The previous prime is 6612212377. The next prime is 6612212417. The reversal of 6612212394 is 4932122166.

It is a happy number.

6612212394 is a `hidden beast` number, since 6 + 612 + 2 + 1 + 2 + 39 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4930146225 + 1682066169 = 70215^2 + 41013^2 .

It is a super-2 number, since 2×6612212394² = 87442705486734422472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 173829 + ... + 208424.

Almost surely, 2^6612212394 is an apocalyptic number.

6612212394 is an abundant number, since it is smaller than the sum of its proper divisors (8191338264).

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

6612212394 is a wasteful number, since it uses less digits than its factorization.

6612212394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382323 (or 382289 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6612212394 is about 81315.5113985026. The cubic root of 6612212394 is about 1876.9336987327.

The spelling of 6612212394 in words is "six billion, six hundred twelve million, two hundred twelve thousand, three hundred ninety-four".