2201967261 has 120 divisors (see below), whose sum is σ = 3822070560. Its totient is φ = 1255155264.

The previous prime is 2201967227. The next prime is 2201967277. The reversal of 2201967261 is 1627691022.

It is not a de Polignac number, because 2201967261 - 2⁹ = 2201966749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201967281) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 32865150 + ... + 32865216.

It is an arithmetic number, because the mean of its divisors is an integer number (31850588).

Almost surely, 2^2201967261 is an apocalyptic number.

It is an amenable number.

2201967261 is a deficient number, since it is larger than the sum of its proper divisors (1620103299).

2201967261 is a wasteful number, since it uses less digits than its factorization.

2201967261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2201967261 is about 46925.1239849188. The cubic root of 2201967261 is about 1300.9789984524.

The spelling of 2201967261 in words is "two billion, two hundred one million, nine hundred sixty-seven thousand, two hundred sixty-one".