401044044220222 has 16 divisors (see below), whose sum is σ = 656714904869520. Its totient is φ = 182561672394432.

The previous prime is 401044044220181. The next prime is 401044044220247. The reversal of 401044044220222 is 222022440440104.

It is a super-2 number, since 2×401044044220222² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105649114072 + ... + 105649117867.

It is an arithmetic number, because the mean of its divisors is an integer number (41044681554345).

Almost surely, 2^{401044044220222} is an apocalyptic number.

401044044220222 is a deficient number, since it is larger than the sum of its proper divisors (255670860649298).

401044044220222 is a wasteful number, since it uses less digits than its factorization.

401044044220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211298232027.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 401044044220222 its reverse (222022440440104), we get a palindrome (623066484660326).

The spelling of 401044044220222 in words is "four hundred one trillion, forty-four billion, forty-four million, two hundred twenty thousand, two hundred twenty-two".