2195271455 has 48 divisors (see below), whose sum is σ = 3145310784. Its totient is φ = 1459138560.

The previous prime is 2195271451. The next prime is 2195271509. The reversal of 2195271455 is 5541725912.

It is not a de Polignac number, because 2195271455 - 2² = 2195271451 is a prime.

It is a super-2 number, since 2×2195271455² = 9638433522275634050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195271451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429515 + ... + 434595.

It is an arithmetic number, because the mean of its divisors is an integer number (65527308).

Almost surely, 2^2195271455 is an apocalyptic number.

2195271455 is a deficient number, since it is larger than the sum of its proper divisors (950039329).

2195271455 is a wasteful number, since it uses less digits than its factorization.

2195271455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156 (or 5139 counting only the distinct ones).

The product of its digits is 126000, while the sum is 41.

The square root of 2195271455 is about 46853.7240248841. The cubic root of 2195271455 is about 1299.6589746502.

The spelling of 2195271455 in words is "two billion, one hundred ninety-five million, two hundred seventy-one thousand, four hundred fifty-five".