404221222011 has 4 divisors (see below), whose sum is σ = 538961629352. Its totient is φ = 269480814672.

The previous prime is 404221222003. The next prime is 404221222019. The reversal of 404221222011 is 110222122404.

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

It is an interprime number because it is at equal distance from previous prime (404221222003) and next prime (404221222019).

It is not a de Polignac number, because 404221222011 - 2³ = 404221222003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404221222019) 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, 67370203666 + ... + 67370203671.

It is an arithmetic number, because the mean of its divisors is an integer number (134740407338).

Almost surely, 2^404221222011 is an apocalyptic number.

404221222011 is a deficient number, since it is larger than the sum of its proper divisors (134740407341).

404221222011 is a wasteful number, since it uses less digits than its factorization.

404221222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134740407340.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 404221222011 its reverse (110222122404), we get a palindrome (514443344415).

The spelling of 404221222011 in words is "four hundred four billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".