2195629 has 2 divisors, whose sum is σ = 2195630. Its totient is φ = 2195628.

The previous prime is 2195597. The next prime is 2195653. The reversal of 2195629 is 9265912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 990025 = 1098^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195629 - 2⁵ = 2195597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2195594 and 2195603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2195029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097814 + 1097815.

It is an arithmetic number, because the mean of its divisors is an integer number (1097815).

2^2195629 is an apocalyptic number.

It is an amenable number.

2195629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195629 is an equidigital number, since it uses as much as digits as its factorization.

2195629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The square root of 2195629 is about 1481.7655010156. The cubic root of 2195629 is about 129.9729529530.

The spelling of 2195629 in words is "two million, one hundred ninety-five thousand, six hundred twenty-nine".