400341222 has 12 divisors (see below), whose sum is σ = 867406020. Its totient is φ = 133447068.

The previous prime is 400341199. The next prime is 400341283. The reversal of 400341222 is 222143004.

400341222 is a `hidden beast` number, since 400 + 3 + 41 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22241179 = 400341222 / (4 + 0 + 0 + 3 + 4 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 400341195 and 400341204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11120572 + ... + 11120607.

It is an arithmetic number, because the mean of its divisors is an integer number (72283835).

Almost surely, 2^400341222 is an apocalyptic number.

400341222 is an abundant number, since it is smaller than the sum of its proper divisors (467064798).

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

400341222 is a wasteful number, since it uses less digits than its factorization.

400341222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22241187 (or 22241184 counting only the distinct ones).

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

The square root of 400341222 is about 20008.5287315185. The cubic root of 400341222 is about 737.0157522805.

Adding to 400341222 its reverse (222143004), we get a palindrome (622484226).

The spelling of 400341222 in words is "four hundred million, three hundred forty-one thousand, two hundred twenty-two".