202212222102 has 48 divisors (see below), whose sum is σ = 478012991040. Its totient is φ = 61269145200.

The previous prime is 202212222073. The next prime is 202212222103. The reversal of 202212222102 is 201222212202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212222103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1743849 + ... + 1856187.

It is an arithmetic number, because the mean of its divisors is an integer number (9958603980).

Almost surely, 2^202212222102 is an apocalyptic number.

202212222102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202212222102 is an abundant number, since it is smaller than the sum of its proper divisors (275800768938).

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

202212222102 is a wasteful number, since it uses less digits than its factorization.

202212222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121449 (or 121446 counting only the distinct ones).

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

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

It can be divided in two parts, 20 and 2212222102, that added together give a palindrome (2212222122).

The spelling of 202212222102 in words is "two hundred two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred two".