202212106 has 4 divisors (see below), whose sum is σ = 303318162. Its totient is φ = 101106052.

The previous prime is 202212091. The next prime is 202212107. The reversal of 202212106 is 601212202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 182007081 + 20205025 = 13491^2 + 4495^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202212106.

It is not an unprimeable number, because it can be changed into a prime (202212107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50553025 + ... + 50553028.

Almost surely, 2^202212106 is an apocalyptic number.

202212106 is a deficient number, since it is larger than the sum of its proper divisors (101106056).

202212106 is a wasteful number, since it uses less digits than its factorization.

202212106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101106055.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 202212106 is about 14220.1303088263. The cubic root of 202212106 is about 586.9517260658.

Adding to 202212106 its product of nonzero digits (96), we get a palindrome (202212202).

Adding to 202212106 its reverse (601212202), we get a palindrome (803424308).

The spelling of 202212106 in words is "two hundred two million, two hundred twelve thousand, one hundred six".