2212923 has 4 divisors (see below), whose sum is σ = 2950568. Its totient is φ = 1475280.

The previous prime is 2212921. The next prime is 2212939. The reversal of 2212923 is 3292122.

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

It is not a de Polignac number, because 2212923 - 2¹ = 2212921 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212923.

It is not an unprimeable number, because it can be changed into a prime (2212921) 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, 368818 + ... + 368823.

It is an arithmetic number, because the mean of its divisors is an integer number (737642).

2^2212923 is an apocalyptic number.

2212923 is a deficient number, since it is larger than the sum of its proper divisors (737645).

2212923 is an equidigital number, since it uses as much as digits as its factorization.

2212923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737644.

The product of its digits is 432, while the sum is 21.

The square root of 2212923 is about 1487.5896611633. The cubic root of 2212923 is about 130.3133074210.

The spelling of 2212923 in words is "two million, two hundred twelve thousand, nine hundred twenty-three".