2192930 has 8 divisors (see below), whose sum is σ = 3947292. Its totient is φ = 877168.

The previous prime is 2192921. The next prime is 2192933. The reversal of 2192930 is 392912.

It can be written as a sum of positive squares in 2 ways, for example, as 2157961 + 34969 = 1469^2 + 187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2192930.

It is not an unprimeable number, because it can be changed into a prime (2192933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109637 + ... + 109656.

2^2192930 is an apocalyptic number.

2192930 is a deficient number, since it is larger than the sum of its proper divisors (1754362).

2192930 is a wasteful number, since it uses less digits than its factorization.

2192930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219300.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2192930 is about 1480.8544830604. The cubic root of 2192930 is about 129.9196742436.

The spelling of 2192930 in words is "two million, one hundred ninety-two thousand, nine hundred thirty".