1424233232221 has 32 divisors (see below), whose sum is σ = 1499047888896. Its totient is φ = 1351468800000.

The previous prime is 1424233232209. The next prime is 1424233232237. The reversal of 1424233232221 is 1222323324241.

It is a cyclic number.

It is not a de Polignac number, because 1424233232221 - 2¹⁵ = 1424233199453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424233232251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287663296 + ... + 287668246.

It is an arithmetic number, because the mean of its divisors is an integer number (46845246528).

Almost surely, 2^{1424233232221} is an apocalyptic number.

It is an amenable number.

1424233232221 is a deficient number, since it is larger than the sum of its proper divisors (74814656675).

1424233232221 is a wasteful number, since it uses less digits than its factorization.

1424233232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773.

The product of its digits is 27648, while the sum is 31.

Adding to 1424233232221 its reverse (1222323324241), we get a palindrome (2646556556462).

The spelling of 1424233232221 in words is "one trillion, four hundred twenty-four billion, two hundred thirty-three million, two hundred thirty-two thousand, two hundred twenty-one".