6205370221 has 4 divisors (see below), whose sum is σ = 6322452732. Its totient is φ = 6088287712.

The previous prime is 6205370219. The next prime is 6205370231. The reversal of 6205370221 is 1220735026.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3009729321 + 3195640900 = 54861^2 + 56530^2 .

It is a cyclic number.

It is not a de Polignac number, because 6205370221 - 2¹ = 6205370219 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 6205370221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6205370231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58541176 + ... + 58541281.

It is an arithmetic number, because the mean of its divisors is an integer number (1580613183).

Almost surely, 2^6205370221 is an apocalyptic number.

It is an amenable number.

6205370221 is a deficient number, since it is larger than the sum of its proper divisors (117082511).

6205370221 is a wasteful number, since it uses less digits than its factorization.

6205370221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117082510.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6205370221 is about 78774.1722965085. The cubic root of 6205370221 is about 1837.6208045956.

The spelling of 6205370221 in words is "six billion, two hundred five million, three hundred seventy thousand, two hundred twenty-one".