1441223021 has 8 divisors (see below), whose sum is σ = 1687285824. Its totient is φ = 1205203680.

The previous prime is 1441222969. The next prime is 1441223083. The reversal of 1441223021 is 1203221441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1441223021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1441222984 and 1441223002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441223921) 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, 2510555 + ... + 2511128.

It is an arithmetic number, because the mean of its divisors is an integer number (210910728).

Almost surely, 2^1441223021 is an apocalyptic number.

It is an amenable number.

1441223021 is a deficient number, since it is larger than the sum of its proper divisors (246062803).

1441223021 is an equidigital number, since it uses as much as digits as its factorization.

1441223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021731.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1441223021 is about 37963.4432184437. The cubic root of 1441223021 is about 1129.5628405320.

Adding to 1441223021 its reverse (1203221441), we get a palindrome (2644444462).

The spelling of 1441223021 in words is "one billion, four hundred forty-one million, two hundred twenty-three thousand, twenty-one".