202222303421 has 8 divisors (see below), whose sum is σ = 214651699704. Its totient is φ = 189852236800.

The previous prime is 202222303417. The next prime is 202222303453. The reversal of 202222303421 is 124303222202.

It can be written as a sum of positive squares in 4 ways, for example, as 79897240921 + 122325062500 = 282661^2 + 349750^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202222303421 - 2² = 202222303417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222303721) 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, 14825390 + ... + 14839023.

It is an arithmetic number, because the mean of its divisors is an integer number (26831462463).

Almost surely, 2^202222303421 is an apocalyptic number.

It is an amenable number.

202222303421 is a deficient number, since it is larger than the sum of its proper divisors (12429396283).

202222303421 is a wasteful number, since it uses less digits than its factorization.

202222303421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29664831.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 202222303421 its reverse (124303222202), we get a palindrome (326525525623).

The spelling of 202222303421 in words is "two hundred two billion, two hundred twenty-two million, three hundred three thousand, four hundred twenty-one".