2192851 has 2 divisors, whose sum is σ = 2192852. Its totient is φ = 2192850.

The previous prime is 2192849. The next prime is 2192857. The reversal of 2192851 is 1582912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2192851 - 2¹ = 2192849 is a prime.

Together with 2192849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2192857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096425 + 1096426.

It is an arithmetic number, because the mean of its divisors is an integer number (1096426).

2^2192851 is an apocalyptic number.

2192851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2192851 is an equidigital number, since it uses as much as digits as its factorization.

2192851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 2192851 is about 1480.8278090312. The cubic root of 2192851 is about 129.9181141121.

The spelling of 2192851 in words is "two million, one hundred ninety-two thousand, eight hundred fifty-one".