1424221023 has 4 divisors (see below), whose sum is σ = 1898961368. Its totient is φ = 949480680.

The previous prime is 1424220991. The next prime is 1424221031. The reversal of 1424221023 is 3201224241.

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

It is not a de Polignac number, because 1424221023 - 2⁵ = 1424220991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424221063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237370168 + ... + 237370173.

It is an arithmetic number, because the mean of its divisors is an integer number (474740342).

Almost surely, 2^1424221023 is an apocalyptic number.

1424221023 is a deficient number, since it is larger than the sum of its proper divisors (474740345).

1424221023 is an equidigital number, since it uses as much as digits as its factorization.

1424221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474740344.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1424221023 is about 37738.8529634911. The cubic root of 1424221023 is about 1125.1034697919.

Adding to 1424221023 its reverse (3201224241), we get a palindrome (4625445264).

The spelling of 1424221023 in words is "one billion, four hundred twenty-four million, two hundred twenty-one thousand, twenty-three".