6221200015 has 4 divisors (see below), whose sum is σ = 7465440024. Its totient is φ = 4976960008.

The previous prime is 6221199983. The next prime is 6221200033. The reversal of 6221200015 is 5100021226.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6221200015 - 2⁵ = 6221199983 is a prime.

It is a super-3 number, since 3×6221200015³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6221199965 and 6221200001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622119997 + ... + 622120006.

It is an arithmetic number, because the mean of its divisors is an integer number (1866360006).

Almost surely, 2^6221200015 is an apocalyptic number.

6221200015 is a deficient number, since it is larger than the sum of its proper divisors (1244240009).

6221200015 is a wasteful number, since it uses less digits than its factorization.

6221200015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244240008.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 6221200015 is about 78874.5840876515. The cubic root of 6221200015 is about 1839.1820575873.

The spelling of 6221200015 in words is "six billion, two hundred twenty-one million, two hundred thousand, fifteen".