223212206224420 has 24 divisors (see below), whose sum is σ = 535709294938944. Its totient is φ = 76529899276896.

The previous prime is 223212206224409. The next prime is 223212206224439. The reversal of 223212206224420 is 24422602212322.

It is a super-3 number, since 3×223212206224420³ (a number of 44 digits) contains 333 as substring.

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, 797186450662 + ... + 797186450941.

It is an arithmetic number, because the mean of its divisors is an integer number (22321220622456).

Almost surely, 2^{223212206224420} is an apocalyptic number.

223212206224420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223212206224420 is an abundant number, since it is smaller than the sum of its proper divisors (312497088714524).

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

223212206224420 is a wasteful number, since it uses less digits than its factorization.

223212206224420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594372901619 (or 1594372901617 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 223212206224420 its reverse (24422602212322), we get a palindrome (247634808436742).

The spelling of 223212206224420 in words is "two hundred twenty-three trillion, two hundred twelve billion, two hundred six million, two hundred twenty-four thousand, four hundred twenty".