2212985 has 8 divisors (see below), whose sum is σ = 2685960. Its totient is φ = 1750144.

The previous prime is 2212979. The next prime is 2213033. The reversal of 2212985 is 5892122.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 2096704 = 341^2 + 1448^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2212985 - 2⁶ = 2212921 is a prime.

It is a super-2 number, since 2×2212985² = 9794605220450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (335745).

2^2212985 is an apocalyptic number.

It is an amenable number.

2212985 is a deficient number, since it is larger than the sum of its proper divisors (472975).

2212985 is an equidigital number, since it uses as much as digits as its factorization.

2212985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067.

The product of its digits is 2880, while the sum is 29.

The square root of 2212985 is about 1487.6105000974. The cubic root of 2212985 is about 130.3145244161.

The spelling of 2212985 in words is "two million, two hundred twelve thousand, nine hundred eighty-five".