6215222394 has 16 divisors (see below), whose sum is σ = 13811605440. Its totient is φ = 2071740780.

The previous prime is 6215222383. The next prime is 6215222413. The reversal of 6215222394 is 4932225126.

6215222394 is a `hidden beast` number, since 6 + 21 + 522 + 23 + 94 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57548302 + ... + 57548409.

It is an arithmetic number, because the mean of its divisors is an integer number (863225340).

Almost surely, 2^6215222394 is an apocalyptic number.

6215222394 is an abundant number, since it is smaller than the sum of its proper divisors (7596383046).

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

6215222394 is a wasteful number, since it uses less digits than its factorization.

6215222394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115096722 (or 115096716 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6215222394 is about 78836.6817794864. The cubic root of 6215222394 is about 1838.5928113376.

The spelling of 6215222394 in words is "six billion, two hundred fifteen million, two hundred twenty-two thousand, three hundred ninety-four".