2212057 has 4 divisors (see below), whose sum is σ = 2342196. Its totient is φ = 2081920.

The previous prime is 2212051. The next prime is 2212069. The reversal of 2212057 is 7502122.

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 1838736 + 373321 = 1356^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212057 - 2⁷ = 2211929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212051) 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, 65044 + ... + 65077.

It is an arithmetic number, because the mean of its divisors is an integer number (585549).

2^2212057 is an apocalyptic number.

It is an amenable number.

2212057 is a deficient number, since it is larger than the sum of its proper divisors (130139).

2212057 is a wasteful number, since it uses less digits than its factorization.

2212057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130138.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2212057 is about 1487.2985577886. The cubic root of 2212057 is about 130.2963063703.

Adding to 2212057 its reverse (7502122), we get a palindrome (9714179).

It can be divided in two parts, 221 and 2057, that added together give a triangular number (2278 = T₆₇).

The spelling of 2212057 in words is "two million, two hundred twelve thousand, fifty-seven".