2122257671 has 8 divisors (see below), whose sum is σ = 2232651600. Its totient is φ = 2014344640.

The previous prime is 2122257667. The next prime is 2122257677. The reversal of 2122257671 is 1767522212.

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

It is not a de Polignac number, because 2122257671 - 2² = 2122257667 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 (2122257677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618470 + ... + 621891.

It is an arithmetic number, because the mean of its divisors is an integer number (279081450).

Almost surely, 2^2122257671 is an apocalyptic number.

2122257671 is a deficient number, since it is larger than the sum of its proper divisors (110393929).

2122257671 is a wasteful number, since it uses less digits than its factorization.

2122257671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240449.

The product of its digits is 23520, while the sum is 35.

The square root of 2122257671 is about 46067.9679495417. The cubic root of 2122257671 is about 1285.0875141133.

Adding to 2122257671 its reverse (1767522212), we get a palindrome (3889779883).

The spelling of 2122257671 in words is "two billion, one hundred twenty-two million, two hundred fifty-seven thousand, six hundred seventy-one".