402441111222 has 16 divisors (see below), whose sum is σ = 810212570112. Its totient is φ = 133258645800.

The previous prime is 402441111209. The next prime is 402441111239. The reversal of 402441111222 is 222111144204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402441111192 and 402441111201.

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, 222096838 + ... + 222098649.

It is an arithmetic number, because the mean of its divisors is an integer number (50638285632).

Almost surely, 2^402441111222 is an apocalyptic number.

402441111222 is an abundant number, since it is smaller than the sum of its proper divisors (407771458890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402441111222 is a wasteful number, since it uses less digits than its factorization.

402441111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444195643.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 402441111222 its reverse (222111144204), we get a palindrome (624552255426).

The spelling of 402441111222 in words is "four hundred two billion, four hundred forty-one million, one hundred eleven thousand, two hundred twenty-two".