1401224443 has 8 divisors (see below), whose sum is σ = 1407909888. Its totient is φ = 1394553384.

The previous prime is 1401224437. The next prime is 1401224449. The reversal of 1401224443 is 3444221041.

It is an interprime number because it is at equal distance from previous prime (1401224437) and next prime (1401224449).

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

It is a cyclic number.

It is not a de Polignac number, because 1401224443 - 2⁹ = 1401223931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401224449) 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, 225030 + ... + 231172.

It is an arithmetic number, because the mean of its divisors is an integer number (175988736).

Almost surely, 2^1401224443 is an apocalyptic number.

1401224443 is a deficient number, since it is larger than the sum of its proper divisors (6685445).

1401224443 is an equidigital number, since it uses as much as digits as its factorization.

1401224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1401224443 is about 37432.9325995172. The cubic root of 1401224443 is about 1119.0149829632.

Adding to 1401224443 its reverse (3444221041), we get a palindrome (4845445484).

The spelling of 1401224443 in words is "one billion, four hundred one million, two hundred twenty-four thousand, four hundred forty-three".