6246205221 has 8 divisors (see below), whose sum is σ = 8596927744. Its totient is φ = 4029809760.

The previous prime is 6246205193. The next prime is 6246205249. The reversal of 6246205221 is 1225026426.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6246205193) and next prime (6246205249).

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

It is not a de Polignac number, because 6246205221 - 2²⁵ = 6212650789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6246205271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33581656 + ... + 33581841.

It is an arithmetic number, because the mean of its divisors is an integer number (1074615968).

Almost surely, 2^6246205221 is an apocalyptic number.

It is an amenable number.

6246205221 is a deficient number, since it is larger than the sum of its proper divisors (2350722523).

6246205221 is a wasteful number, since it uses less digits than its factorization.

6246205221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67163531.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6246205221 is about 79032.9375703573. The cubic root of 6246205221 is about 1841.6428715675.

It can be divided in two parts, 6246205 and 221, that added together give a palindrome (6246426).

The spelling of 6246205221 in words is "six billion, two hundred forty-six million, two hundred five thousand, two hundred twenty-one".