424022243 has 4 divisors (see below), whose sum is σ = 424081008. Its totient is φ = 423963480.

The previous prime is 424022237. The next prime is 424022251. The reversal of 424022243 is 342220424.

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

It is a cyclic number.

It is not a de Polignac number, because 424022243 - 2¹⁰ = 424021219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424022213) 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, 16748 + ... + 33593.

It is an arithmetic number, because the mean of its divisors is an integer number (106020252).

Almost surely, 2^424022243 is an apocalyptic number.

424022243 is a deficient number, since it is larger than the sum of its proper divisors (58765).

424022243 is an equidigital number, since it uses as much as digits as its factorization.

424022243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58764.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 424022243 is about 20591.8003826766. The cubic root of 424022243 is about 751.2702875743.

Adding to 424022243 its reverse (342220424), we get a palindrome (766242667).

The spelling of 424022243 in words is "four hundred twenty-four million, twenty-two thousand, two hundred forty-three".