202022212 has 48 divisors (see below), whose sum is σ = 426778240. Its totient is φ = 81741312.

The previous prime is 202022173. The next prime is 202022221. The reversal of 202022212 is 212220202.

It is a junction number, because it is equal to n+sod(n) for n = 202022192 and 202022201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229918 + ... + 230794.

Almost surely, 2^202022212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202022212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213389120).

202022212 is an abundant number, since it is smaller than the sum of its proper divisors (224756028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202022212 is a wasteful number, since it uses less digits than its factorization.

202022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 202022212 is about 14213.4517975051. The cubic root of 202022212 is about 586.7679363460.

Adding to 202022212 its reverse (212220202), we get a palindrome (414242414).

The spelling of 202022212 in words is "two hundred two million, twenty-two thousand, two hundred twelve".