2195955281 has 16 divisors (see below), whose sum is σ = 2382710400. Its totient is φ = 2011806720.

The previous prime is 2195955269. The next prime is 2195955283. The reversal of 2195955281 is 1825595912.

It is a cyclic number.

It is not a de Polignac number, because 2195955281 - 2¹⁴ = 2195938897 is a prime.

It is a super-2 number, since 2×2195955281² = 9644439192303577922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195955283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230716 + ... + 1232498.

It is an arithmetic number, because the mean of its divisors is an integer number (148919400).

Almost surely, 2^2195955281 is an apocalyptic number.

It is an amenable number.

2195955281 is a deficient number, since it is larger than the sum of its proper divisors (186755119).

2195955281 is a wasteful number, since it uses less digits than its factorization.

2195955281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456.

The product of its digits is 324000, while the sum is 47.

The square root of 2195955281 is about 46861.0209129080. The cubic root of 2195955281 is about 1299.7939083552.

The spelling of 2195955281 in words is "two billion, one hundred ninety-five million, nine hundred fifty-five thousand, two hundred eighty-one".