401241222 has 16 divisors (see below), whose sum is σ = 891647280. Its totient is φ = 133747056.

The previous prime is 401241193. The next prime is 401241227. The reversal of 401241222 is 222142104.

401241222 is a `hidden beast` number, since 401 + 2 + 41 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 401241195 and 401241204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401241227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3715143 + ... + 3715250.

It is an arithmetic number, because the mean of its divisors is an integer number (55727955).

Almost surely, 2^401241222 is an apocalyptic number.

401241222 is an abundant number, since it is smaller than the sum of its proper divisors (490406058).

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

401241222 is a wasteful number, since it uses less digits than its factorization.

401241222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430404 (or 7430398 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 401241222 is about 20031.0065149008. The cubic root of 401241222 is about 737.5676296116.

Adding to 401241222 its reverse (222142104), we get a palindrome (623383326).

The spelling of 401241222 in words is "four hundred one million, two hundred forty-one thousand, two hundred twenty-two".