1224421023 has 8 divisors (see below), whose sum is σ = 1865784448. Its totient is φ = 699669144.

The previous prime is 1224420961. The next prime is 1224421027. The reversal of 1224421023 is 3201244221.

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

It is not a de Polignac number, because 1224421023 - 2²² = 1220226719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 58305763 = 1224421023 / (1 + 2 + 2 + 4 + 4 + 2 + 1 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224421027) 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 7 ways as a sum of consecutive naturals, for example, 29152861 + ... + 29152902.

It is an arithmetic number, because the mean of its divisors is an integer number (233223056).

Almost surely, 2^1224421023 is an apocalyptic number.

1224421023 is a deficient number, since it is larger than the sum of its proper divisors (641363425).

1224421023 is an equidigital number, since it uses as much as digits as its factorization.

1224421023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58305773.

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

The square root of 1224421023 is about 34991.7279224676. The cubic root of 1224421023 is about 1069.8188830778.

Adding to 1224421023 its reverse (3201244221), we get a palindrome (4425665244).

The spelling of 1224421023 in words is "one billion, two hundred twenty-four million, four hundred twenty-one thousand, twenty-three".