202122213 has 8 divisors (see below), whose sum is σ = 269563008. Its totient is φ = 134714784.

The previous prime is 202122203. The next prime is 202122233. The reversal of 202122213 is 312221202.

It is a happy number.

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

It is not a de Polignac number, because 202122213 - 2⁶ = 202122149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202122192 and 202122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122203) 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, 15681 + ... + 25497.

It is an arithmetic number, because the mean of its divisors is an integer number (33695376).

Almost surely, 2^202122213 is an apocalyptic number.

It is an amenable number.

202122213 is a deficient number, since it is larger than the sum of its proper divisors (67440795).

202122213 is an equidigital number, since it uses as much as digits as its factorization.

202122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16683.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202122213 is about 14216.9691917792. The cubic root of 202122213 is about 586.8647370900.

Adding to 202122213 its reverse (312221202), we get a palindrome (514343415).

The spelling of 202122213 in words is "two hundred two million, one hundred twenty-two thousand, two hundred thirteen".