212022313 has 8 divisors (see below), whose sum is σ = 216986688. Its totient is φ = 207093744.

The previous prime is 212022301. The next prime is 212022323. The reversal of 212022313 is 313220212.

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 212022313 - 2⁵ = 212022281 is a prime.

It is a super-2 number, since 2×212022313² = 89906922419739938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3220 + ... + 20842.

It is an arithmetic number, because the mean of its divisors is an integer number (27123336).

Almost surely, 2^212022313 is an apocalyptic number.

It is an amenable number.

212022313 is a deficient number, since it is larger than the sum of its proper divisors (4964375).

212022313 is a wasteful number, since it uses less digits than its factorization.

212022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17903.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212022313 is about 14560.9859899665. The cubic root of 212022313 is about 596.2941142918.

Adding to 212022313 its reverse (313220212), we get a palindrome (525242525).

The spelling of 212022313 in words is "two hundred twelve million, twenty-two thousand, three hundred thirteen".