1424022421 has 2 divisors, whose sum is σ = 1424022422. Its totient is φ = 1424022420.

The previous prime is 1424022419. The next prime is 1424022427. The reversal of 1424022421 is 1242204241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359396900 + 64625521 = 36870^2 + 8039^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424022421 - 2¹ = 1424022419 is a prime.

It is a super-3 number, since 3×1424022421³ (a number of 28 digits) contains 333 as substring.

Together with 1424022419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1424022392 and 1424022401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424022427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712011210 + 712011211.

It is an arithmetic number, because the mean of its divisors is an integer number (712011211).

Almost surely, 2^1424022421 is an apocalyptic number.

It is an amenable number.

1424022421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424022421 is an equidigital number, since it uses as much as digits as its factorization.

1424022421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1424022421 is about 37736.2216047129. The cubic root of 1424022421 is about 1125.0511702816.

Adding to 1424022421 its reverse (1242204241), we get a palindrome (2666226662).

The spelling of 1424022421 in words is "one billion, four hundred twenty-four million, twenty-two thousand, four hundred twenty-one".