2122993 has 4 divisors (see below), whose sum is σ = 2142580. Its totient is φ = 2103408.

The previous prime is 2122979. The next prime is 2123027. The reversal of 2122993 is 3992212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1495729 + 627264 = 1223^2 + 792^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122993 - 2⁵ = 2122961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122963) 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, 9630 + ... + 9847.

It is an arithmetic number, because the mean of its divisors is an integer number (535645).

2^2122993 is an apocalyptic number.

It is an amenable number.

2122993 is a deficient number, since it is larger than the sum of its proper divisors (19587).

2122993 is a wasteful number, since it uses less digits than its factorization.

2122993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19586.

The product of its digits is 1944, while the sum is 28.

The square root of 2122993 is about 1457.0494157715. The cubic root of 2122993 is about 128.5235917865.

The spelling of 2122993 in words is "two million, one hundred twenty-two thousand, nine hundred ninety-three".