6220402277 has 4 divisors (see below), whose sum is σ = 6220648236. Its totient is φ = 6220156320.

The previous prime is 6220402271. The next prime is 6220402291. The reversal of 6220402277 is 7722040226.

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 103754596 + 6116647681 = 10186^2 + 78209^2 .

It is a cyclic number.

It is not a de Polignac number, because 6220402277 - 2⁸ = 6220402021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220402271) 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, 80048 + ... + 137289.

It is an arithmetic number, because the mean of its divisors is an integer number (1555162059).

Almost surely, 2^6220402277 is an apocalyptic number.

It is an amenable number.

6220402277 is a deficient number, since it is larger than the sum of its proper divisors (245959).

6220402277 is a wasteful number, since it uses less digits than its factorization.

6220402277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245958.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 6220402277 is about 78869.5269226334. The cubic root of 6220402277 is about 1839.1034420936.

The spelling of 6220402277 in words is "six billion, two hundred twenty million, four hundred two thousand, two hundred seventy-seven".