401211422 has 8 divisors (see below), whose sum is σ = 601902336. Its totient is φ = 200577312.

The previous prime is 401211401. The next prime is 401211439. The reversal of 401211422 is 224112104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 401211422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18758 + ... + 33974.

It is an arithmetic number, because the mean of its divisors is an integer number (75237792).

Almost surely, 2^401211422 is an apocalyptic number.

401211422 is a deficient number, since it is larger than the sum of its proper divisors (200690914).

401211422 is a wasteful number, since it uses less digits than its factorization.

401211422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28402.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 401211422 is about 20030.2626542939. The cubic root of 401211422 is about 737.5493695572.

Adding to 401211422 its reverse (224112104), we get a palindrome (625323526).

The spelling of 401211422 in words is "four hundred one million, two hundred eleven thousand, four hundred twenty-two".