2220232304421 has 6 divisors (see below), whose sum is σ = 3207002217510. Its totient is φ = 1480154869608.

The previous prime is 2220232304399. The next prime is 2220232304491. The reversal of 2220232304421 is 1244032320222.

2220232304421 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 2 + 3 + 230 + 4 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2216555216100 + 3677088321 = 1488810^2 + 60639^2 .

It is not a de Polignac number, because 2220232304421 - 2¹⁰ = 2220232303397 is a prime.

It is a super-2 number, since 2×2220232304421² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220232304491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123346239126 + ... + 123346239143.

It is an arithmetic number, because the mean of its divisors is an integer number (534500369585).

Almost surely, 2^{2220232304421} is an apocalyptic number.

It is an amenable number.

2220232304421 is a deficient number, since it is larger than the sum of its proper divisors (986769913089).

2220232304421 is a wasteful number, since it uses less digits than its factorization.

2220232304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246692478275 (or 246692478272 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2220232304421 its reverse (1244032320222), we get a palindrome (3464264624643).

The spelling of 2220232304421 in words is "two trillion, two hundred twenty billion, two hundred thirty-two million, three hundred four thousand, four hundred twenty-one".