322440040421 has 4 divisors (see below), whose sum is σ = 326521560000. Its totient is φ = 318358520844.

The previous prime is 322440040411. The next prime is 322440040453. The reversal of 322440040421 is 124040044223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322440040421 is a prime.

It is a super-2 number, since 2×322440040421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322440040411) 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, 2040759671 + ... + 2040759828.

It is an arithmetic number, because the mean of its divisors is an integer number (81630390000).

Almost surely, 2^322440040421 is an apocalyptic number.

It is an amenable number.

322440040421 is a deficient number, since it is larger than the sum of its proper divisors (4081519579).

322440040421 is an equidigital number, since it uses as much as digits as its factorization.

322440040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081519578.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 322440040421 its reverse (124040044223), we get a palindrome (446480084644).

The spelling of 322440040421 in words is "three hundred twenty-two billion, four hundred forty million, forty thousand, four hundred twenty-one".