2212373 has 4 divisors (see below), whose sum is σ = 2232780. Its totient is φ = 2191968.

The previous prime is 2212361. The next prime is 2212387. The reversal of 2212373 is 3732122.

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 1304164 + 908209 = 1142^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212373 - 2¹² = 2208277 is a prime.

It is a super-2 number, since 2×2212373² = 9789188582258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212333) 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, 10040 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (558195).

2^2212373 is an apocalyptic number.

It is an amenable number.

2212373 is a deficient number, since it is larger than the sum of its proper divisors (20407).

2212373 is a wasteful number, since it uses less digits than its factorization.

2212373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20406.

The product of its digits is 504, while the sum is 20.

The square root of 2212373 is about 1487.4047868687. The cubic root of 2212373 is about 130.3025105010.

Adding to 2212373 its reverse (3732122), we get a palindrome (5944495).

The spelling of 2212373 in words is "two million, two hundred twelve thousand, three hundred seventy-three".