1403222143321 has 4 divisors (see below), whose sum is σ = 1403449465572. Its totient is φ = 1402994821072.

The previous prime is 1403222143319. The next prime is 1403222143333. The reversal of 1403222143321 is 1233412223041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 736745838921 + 666476304400 = 858339^2 + 816380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403222143321 - 2¹ = 1403222143319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1403222143321.

It is not an unprimeable number, because it can be changed into a prime (1403222143721) 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, 113651866 + ... + 113664211.

It is an arithmetic number, because the mean of its divisors is an integer number (350862366393).

Almost surely, 2^{1403222143321} is an apocalyptic number.

It is an amenable number.

1403222143321 is a deficient number, since it is larger than the sum of its proper divisors (227322251).

1403222143321 is an equidigital number, since it uses as much as digits as its factorization.

1403222143321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227322250.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1403222143321 its reverse (1233412223041), we get a palindrome (2636634366362).

The spelling of 1403222143321 in words is "one trillion, four hundred three billion, two hundred twenty-two million, one hundred forty-three thousand, three hundred twenty-one".