6221237087 has 16 divisors (see below), whose sum is σ = 6998927040. Its totient is φ = 5486840832.

The previous prime is 6221237069. The next prime is 6221237101. The reversal of 6221237087 is 7807321226.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6221237087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6221237087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221237287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266573 + ... + 288969.

It is an arithmetic number, because the mean of its divisors is an integer number (437432940).

Almost surely, 2^6221237087 is an apocalyptic number.

6221237087 is a deficient number, since it is larger than the sum of its proper divisors (777689953).

6221237087 is a wasteful number, since it uses less digits than its factorization.

6221237087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23362.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 6221237087 is about 78874.8190932949. The cubic root of 6221237087 is about 1839.1857107958.

It can be divided in two parts, 62212 and 37087, that added together give a palindrome (99299).

The spelling of 6221237087 in words is "six billion, two hundred twenty-one million, two hundred thirty-seven thousand, eighty-seven".