202121302244422 has 16 divisors (see below), whose sum is σ = 330744899386944. Its totient is φ = 91873055241000.

The previous prime is 202121302244383. The next prime is 202121302244431. The reversal of 202121302244422 is 224442203121202.

It is a super-2 number, since 2×202121302244422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5260704 + ... + 20782627.

It is an arithmetic number, because the mean of its divisors is an integer number (20671556211684).

Almost surely, 2^{202121302244422} is an apocalyptic number.

202121302244422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202121302244422 is a deficient number, since it is larger than the sum of its proper divisors (128623597142522).

202121302244422 is a wasteful number, since it uses less digits than its factorization.

202121302244422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26396115.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 202121302244422 its reverse (224442203121202), we get a palindrome (426563505365624).

The spelling of 202121302244422 in words is "two hundred two trillion, one hundred twenty-one billion, three hundred two million, two hundred forty-four thousand, four hundred twenty-two".