400222112241 has 12 divisors (see below), whose sum is σ = 620752664112. Its totient is φ = 228698349768.

The previous prime is 400222112237. The next prime is 400222112249. The reversal of 400222112241 is 142211222004.

It is not a de Polignac number, because 400222112241 - 2² = 400222112237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (400222112249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1361299555 + ... + 1361299848.

It is an arithmetic number, because the mean of its divisors is an integer number (51729388676).

Almost surely, 2^400222112241 is an apocalyptic number.

It is an amenable number.

400222112241 is a deficient number, since it is larger than the sum of its proper divisors (220530551871).

400222112241 is a wasteful number, since it uses less digits than its factorization.

400222112241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722599420 (or 2722599413 counting only the distinct ones).

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

Adding to 400222112241 its reverse (142211222004), we get a palindrome (542433334245).

The spelling of 400222112241 in words is "four hundred billion, two hundred twenty-two million, one hundred twelve thousand, two hundred forty-one".