1424223114221 has 4 divisors (see below), whose sum is σ = 1424481084444. Its totient is φ = 1423965144000.

The previous prime is 1424223114133. The next prime is 1424223114241. The reversal of 1424223114221 is 1224113224241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 684599034025 + 739624080196 = 827405^2 + 860014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424223114221 - 2²⁶ = 1424156005357 is a prime.

It is a super-2 number, since 2×1424223114221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424223114241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128976830 + ... + 128987871.

It is an arithmetic number, because the mean of its divisors is an integer number (356120271111).

Almost surely, 2^{1424223114221} is an apocalyptic number.

It is an amenable number.

1424223114221 is a deficient number, since it is larger than the sum of its proper divisors (257970223).

1424223114221 is an equidigital number, since it uses as much as digits as its factorization.

1424223114221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257970222.

The product of its digits is 6144, while the sum is 29.

Adding to 1424223114221 its reverse (1224113224241), we get a palindrome (2648336338462).

The spelling of 1424223114221 in words is "one trillion, four hundred twenty-four billion, two hundred twenty-three million, one hundred fourteen thousand, two hundred twenty-one".