2192830 has 16 divisors (see below), whose sum is σ = 4179600. Its totient is φ = 825472.

The previous prime is 2192821. The next prime is 2192831. The reversal of 2192830 is 382912.

2192830 = 145² + 146² + ... + 212².

It is a junction number, because it is equal to n+sod(n) for n = 2192795 and 2192804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6280 + ... + 6619.

It is an arithmetic number, because the mean of its divisors is an integer number (261225).

2^2192830 is an apocalyptic number.

2192830 is a deficient number, since it is larger than the sum of its proper divisors (1986770).

2192830 is a wasteful number, since it uses less digits than its factorization.

2192830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2192830 is about 1480.8207183856. The cubic root of 2192830 is about 129.9176993873.

The spelling of 2192830 in words is "two million, one hundred ninety-two thousand, eight hundred thirty".