2122930 has 8 divisors (see below), whose sum is σ = 3821292. Its totient is φ = 849168.

The previous prime is 2122921. The next prime is 2122937. The reversal of 2122930 is 392212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2122849 + 81 = 1457^2 + 9^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2122898 and 2122907.

It is not an unprimeable number, because it can be changed into a prime (2122937) 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, 106137 + ... + 106156.

2^2122930 is an apocalyptic number.

2122930 is a deficient number, since it is larger than the sum of its proper divisors (1698362).

2122930 is a wasteful number, since it uses less digits than its factorization.

2122930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212300.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2122930 is about 1457.0277965777. The cubic root of 2122930 is about 128.5223204577.

The spelling of 2122930 in words is "two million, one hundred twenty-two thousand, nine hundred thirty".