2221471677 has 8 divisors (see below), whose sum is σ = 2997648864. Its totient is φ = 1463137808.

The previous prime is 2221471673. The next prime is 2221471691. The reversal of 2221471677 is 7761741222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221471677 - 2² = 2221471673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221471673) 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, 4460538 + ... + 4461035.

It is an arithmetic number, because the mean of its divisors is an integer number (374706108).

Almost surely, 2^2221471677 is an apocalyptic number.

It is an amenable number.

2221471677 is a deficient number, since it is larger than the sum of its proper divisors (776177187).

2221471677 is an equidigital number, since it uses as much as digits as its factorization.

2221471677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921659.

The product of its digits is 65856, while the sum is 39.

The square root of 2221471677 is about 47132.4906725711. The cubic root of 2221471677 is about 1304.8089495865.

The spelling of 2221471677 in words is "two billion, two hundred twenty-one million, four hundred seventy-one thousand, six hundred seventy-seven".