1424441421 has 12 divisors (see below), whose sum is σ = 2215797948. Its totient is φ = 876579264.

The previous prime is 1424441387. The next prime is 1424441443. The reversal of 1424441421 is 1241444241.

It is a happy number.

1424441421 is a `hidden beast` number, since 1 + 4 + 244 + 414 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 429732900 + 994708521 = 20730^2 + 31539^2 .

It is not a de Polignac number, because 1424441421 - 2⁶ = 1424441357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424441461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6087240 + ... + 6087473.

It is an arithmetic number, because the mean of its divisors is an integer number (184649829).

Almost surely, 2^1424441421 is an apocalyptic number.

It is an amenable number.

1424441421 is a deficient number, since it is larger than the sum of its proper divisors (791356527).

1424441421 is a wasteful number, since it uses less digits than its factorization.

1424441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12174732 (or 12174729 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 1424441421 is about 37741.7728915853. The cubic root of 1424441421 is about 1125.1615033322.

Adding to 1424441421 its reverse (1241444241), we get a palindrome (2665885662).

The spelling of 1424441421 in words is "one billion, four hundred twenty-four million, four hundred forty-one thousand, four hundred twenty-one".