40422200321 has 4 divisors (see below), whose sum is σ = 40422606000. Its totient is φ = 40421794644.

The previous prime is 40422200293. The next prime is 40422200339. The reversal of 40422200321 is 12300222404.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40422200321 - 2⁶ = 40422200257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40422200293 and 40422200302.

It is not an unprimeable number, because it can be changed into a prime (40422200521) 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, 61130 + ... + 290828.

It is an arithmetic number, because the mean of its divisors is an integer number (10105651500).

Almost surely, 2^40422200321 is an apocalyptic number.

It is an amenable number.

40422200321 is a deficient number, since it is larger than the sum of its proper divisors (405679).

40422200321 is a wasteful number, since it uses less digits than its factorization.

40422200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405678.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40422200321 its reverse (12300222404), we get a palindrome (52722422725).

The spelling of 40422200321 in words is "forty billion, four hundred twenty-two million, two hundred thousand, three hundred twenty-one".