2195571 has 8 divisors (see below), whose sum is σ = 3345664. Its totient is φ = 1254600.

The previous prime is 2195563. The next prime is 2195579. The reversal of 2195571 is 1755912.

It is an interprime number because it is at equal distance from previous prime (2195563) and next prime (2195579).

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

It is not a de Polignac number, because 2195571 - 2³ = 2195563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2195579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52255 + ... + 52296.

It is an arithmetic number, because the mean of its divisors is an integer number (418208).

2^2195571 is an apocalyptic number.

2195571 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2195571 is a deficient number, since it is larger than the sum of its proper divisors (1150093).

2195571 is a wasteful number, since it uses less digits than its factorization.

2195571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104561.

The product of its digits is 3150, while the sum is 30.

The square root of 2195571 is about 1481.7459296384. The cubic root of 2195571 is about 129.9718084826.

The spelling of 2195571 in words is "two million, one hundred ninety-five thousand, five hundred seventy-one".