4220223221231 has 4 divisors (see below), whose sum is σ = 4247103624072. Its totient is φ = 4193342818392.

The previous prime is 4220223221173. The next prime is 4220223221239. The reversal of 4220223221231 is 1321223220224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4220223221231 - 2³⁴ = 4203043352047 is a prime.

It is a super-2 number, since 2×4220223221231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4220223221231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220223221239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13440201185 + ... + 13440201498.

It is an arithmetic number, because the mean of its divisors is an integer number (1061775906018).

Almost surely, 2^{4220223221231} is an apocalyptic number.

4220223221231 is a deficient number, since it is larger than the sum of its proper divisors (26880402841).

4220223221231 is a wasteful number, since it uses less digits than its factorization.

4220223221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26880402840.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 4220223221231 its reverse (1321223220224), we get a palindrome (5541446441455).

The spelling of 4220223221231 in words is "four trillion, two hundred twenty billion, two hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty-one".