201222212202 has 80 divisors (see below), whose sum is σ = 491970229344. Its totient is φ = 60964812000.

The previous prime is 201222212201. The next prime is 201222212207. The reversal of 201222212202 is 202212222102.

201222212202 is a `hidden beast` number, since 201 + 22 + 221 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201222212201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16193952 + ... + 16206372.

Almost surely, 2^201222212202 is an apocalyptic number.

201222212202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201222212202 is an abundant number, since it is smaller than the sum of its proper divisors (290748017142).

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

201222212202 is a wasteful number, since it uses less digits than its factorization.

201222212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21537 (or 21528 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 201222212202 its reverse (202212222102), we get a palindrome (403434434304).

The spelling of 201222212202 in words is "two hundred one billion, two hundred twenty-two million, two hundred twelve thousand, two hundred two".