2172246341 has 4 divisors (see below), whose sum is σ = 2184247884. Its totient is φ = 2160244800.

The previous prime is 2172246337. The next prime is 2172246359. The reversal of 2172246341 is 1436422712.

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 639837025 + 1532409316 = 25295^2 + 39146^2 .

It is a cyclic number.

It is not a de Polignac number, because 2172246341 - 2² = 2172246337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2172246298 and 2172246307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172246311) 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, 6000500 + ... + 6000861.

It is an arithmetic number, because the mean of its divisors is an integer number (546061971).

Almost surely, 2^2172246341 is an apocalyptic number.

It is an amenable number.

2172246341 is a deficient number, since it is larger than the sum of its proper divisors (12001543).

2172246341 is a wasteful number, since it uses less digits than its factorization.

2172246341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12001542.

The product of its digits is 16128, while the sum is 32.

The square root of 2172246341 is about 46607.3635920334. The cubic root of 2172246341 is about 1295.0991692217.

The spelling of 2172246341 in words is "two billion, one hundred seventy-two million, two hundred forty-six thousand, three hundred forty-one".