404311660222 has 16 divisors (see below), whose sum is σ = 612467504352. Its totient is φ = 200159527680.

The previous prime is 404311660219. The next prime is 404311660271. The reversal of 404311660222 is 222066113404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706479 + ... + 1143562.

It is an arithmetic number, because the mean of its divisors is an integer number (38279219022).

Almost surely, 2^404311660222 is an apocalyptic number.

404311660222 is a deficient number, since it is larger than the sum of its proper divisors (208155844130).

404311660222 is a wasteful number, since it uses less digits than its factorization.

404311660222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851123.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 404311660222 its reverse (222066113404), we get a palindrome (626377773626).

The spelling of 404311660222 in words is "four hundred four billion, three hundred eleven million, six hundred sixty thousand, two hundred twenty-two".