400222341 has 12 divisors (see below), whose sum is σ = 581330880. Its totient is φ = 265323240.

The previous prime is 400222331. The next prime is 400222349. The reversal of 400222341 is 143222004.

400222341 is a `hidden beast` number, since 400 + 2 + 223 + 41 = 666.

It is not a de Polignac number, because 400222341 - 2⁵ = 400222309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400222349) 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, 122605 + ... + 125826.

It is an arithmetic number, because the mean of its divisors is an integer number (48444240).

Almost surely, 2^400222341 is an apocalyptic number.

It is an amenable number.

400222341 is a deficient number, since it is larger than the sum of its proper divisors (181108539).

400222341 is a wasteful number, since it uses less digits than its factorization.

400222341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248616 (or 248613 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 400222341 is about 20005.5577527846. The cubic root of 400222341 is about 736.9427929824.

Adding to 400222341 its reverse (143222004), we get a palindrome (543444345).

The spelling of 400222341 in words is "four hundred million, two hundred twenty-two thousand, three hundred forty-one".