1424244021 has 8 divisors (see below), whose sum is σ = 1900158624. Its totient is φ = 948912720.

The previous prime is 1424244001. The next prime is 1424244083. The reversal of 1424244021 is 1204424241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1424244021 - 2¹⁰ = 1424242997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1424243982 and 1424244000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424244001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140095 + ... + 149916.

It is an arithmetic number, because the mean of its divisors is an integer number (237519828).

Almost surely, 2^1424244021 is an apocalyptic number.

It is an amenable number.

1424244021 is a deficient number, since it is larger than the sum of its proper divisors (475914603).

1424244021 is a wasteful number, since it uses less digits than its factorization.

1424244021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291651.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1424244021 is about 37739.1576615059. The cubic root of 1424244021 is about 1125.1095257317.

Adding to 1424244021 its reverse (1204424241), we get a palindrome (2628668262).

The spelling of 1424244021 in words is "one billion, four hundred twenty-four million, two hundred forty-four thousand, twenty-one".