2199629 has 2 divisors, whose sum is σ = 2199630. Its totient is φ = 2199628.

The previous prime is 2199623. The next prime is 2199643. The reversal of 2199629 is 9269912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 1054729 = 1070^2 + 1027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2199629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2199592 and 2199601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2199623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099814 + 1099815.

It is an arithmetic number, because the mean of its divisors is an integer number (1099815).

2^2199629 is an apocalyptic number.

It is an amenable number.

2199629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199629 is an equidigital number, since it uses as much as digits as its factorization.

2199629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 38.

The square root of 2199629 is about 1483.1146280716. The cubic root of 2199629 is about 130.0518333737.

The spelling of 2199629 in words is "two million, one hundred ninety-nine thousand, six hundred twenty-nine".