202212212 has 24 divisors (see below), whose sum is σ = 394410240. Its totient is φ = 90149760.

The previous prime is 202212211. The next prime is 202212233. The reversal of 202212212 is 212212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212211) 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, 76964 + ... + 79547.

It is an arithmetic number, because the mean of its divisors is an integer number (16433760).

Almost surely, 2^202212212 is an apocalyptic number.

It is an amenable number.

202212212 is a deficient number, since it is larger than the sum of its proper divisors (192198028).

202212212 is a wasteful number, since it uses less digits than its factorization.

202212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156551 (or 156549 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 202212212 is about 14220.1340359365. The cubic root of 202212212 is about 586.9518286262.

Adding to 202212212 its reverse (212212202), we get a palindrome (414424414).

It can be divided in two parts, 202 and 212212, that multiplied together give a palindrome (42866824).

The spelling of 202212212 in words is "two hundred two million, two hundred twelve thousand, two hundred twelve".