2195019 has 14 divisors (see below), whose sum is σ = 3292116. Its totient is φ = 1462860.

The previous prime is 2195009. The next prime is 2195029. The reversal of 2195019 is 9105912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2195009) and next prime (2195029).

It is not a de Polignac number, because 2195019 - 2⁴ = 2195003 is a prime.

It is a super-2 number, since 2×2195019² = 9636216820722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2194983 and 2195001.

It is not an unprimeable number, because it can be changed into a prime (2195009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 777 + ... + 2234.

2^2195019 is an apocalyptic number.

2195019 is a deficient number, since it is larger than the sum of its proper divisors (1097097).

2195019 is an frugal number, since it uses more digits than its factorization.

2195019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 2195019 is about 1481.5596511784. The cubic root of 2195019 is about 129.9609152720.

The spelling of 2195019 in words is "two million, one hundred ninety-five thousand, nineteen".