1424221441 has 4 divisors (see below), whose sum is σ = 1424322900. Its totient is φ = 1424119984.

The previous prime is 1424221423. The next prime is 1424221457. The reversal of 1424221441 is 1441224241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 700396225 + 723825216 = 26465^2 + 26904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424221441 - 2²¹ = 1422124289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424221411) 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, 25486 + ... + 59143.

It is an arithmetic number, because the mean of its divisors is an integer number (356080725).

Almost surely, 2^1424221441 is an apocalyptic number.

It is an amenable number.

1424221441 is a deficient number, since it is larger than the sum of its proper divisors (101459).

1424221441 is an equidigital number, since it uses as much as digits as its factorization.

1424221441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101458.

The product of its digits is 2048, while the sum is 25.

The square root of 1424221441 is about 37738.8585015498. The cubic root of 1424221441 is about 1125.1035798622.

Adding to 1424221441 its reverse (1441224241), we get a palindrome (2865445682).

The spelling of 1424221441 in words is "one billion, four hundred twenty-four million, two hundred twenty-one thousand, four hundred forty-one".