402144224222 has 32 divisors (see below), whose sum is σ = 657934704000. Its totient is φ = 183229383168.

The previous prime is 402144224221. The next prime is 402144224239. The reversal of 402144224222 is 222422441204.

It is a super-2 number, since 2×402144224222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402144224221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27633404 + ... + 27647952.

It is an arithmetic number, because the mean of its divisors is an integer number (20560459500).

Almost surely, 2^402144224222 is an apocalyptic number.

402144224222 is a deficient number, since it is larger than the sum of its proper divisors (255790479778).

402144224222 is a wasteful number, since it uses less digits than its factorization.

402144224222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28100.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 402144224222 its reverse (222422441204), we get a palindrome (624566665426).

The spelling of 402144224222 in words is "four hundred two billion, one hundred forty-four million, two hundred twenty-four thousand, two hundred twenty-two".